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145311113541 = 311374127110711
BaseRepresentation
bin1000011101010100110…
…1111010000101000101
3111220001222111101212010
42013111031322011011
54340044121113131
6150431025244433
713332642041226
oct2072515720505
9456058441763
10145311113541
1156698376380
12241b4493719
131091a010029
147066b5724d
153ba712eb46
hex21d537a145

145311113541 has 64 divisors (see below), whose sum is σ = 223209971712. Its totient is φ = 83280960000.

The previous prime is 145311113513. The next prime is 145311113561.

145311113541 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 145311113541 - 215 = 145311080773 is a prime.

It is a super-2 number, since 2×1453111135412 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145311113499 and 145311113508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145311113561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13561176 + ... + 13571886.

It is an arithmetic number, because the mean of its divisors is an integer number (3487655808).

Almost surely, 2145311113541 is an apocalyptic number.

145311113541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145311113541 is a deficient number, since it is larger than the sum of its proper divisors (77898858171).

145311113541 is a wasteful number, since it uses less digits than its factorization.

145311113541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11074.

The product of its digits is 3600, while the sum is 30.

It can be divided in two parts, 145311 and 113541, that added together give a palindrome (258852).

The spelling of 145311113541 in words is "one hundred forty-five billion, three hundred eleven million, one hundred thirteen thousand, five hundred forty-one".

Divisors: 1 3 11 33 37 41 111 123 271 407 451 813 1221 1353 1517 2981 4551 8943 10027 10711 11111 16687 30081 32133 33333 50061 110297 117821 122221 330891 353463 366663 396307 411107 439151 1188921 1233321 1317453 2902681 4359377 4522177 4830661 8708043 13078131 13566531 14491983 16248587 31929491 48745761 95788473 107399197 119009921 178734457 322197591 357029763 536203371 1181391167 1309109131 3544173501 3927327393 4403367077 13210101231 48437037847 145311113541