Search a number
-
+
145125444051454 = 21943683130038157
BaseRepresentation
bin100000111111110110100110…
…100010100110000111111110
3201000211212010201110202011011
4200333312212202212013332
5123010213402134121304
61232353413020545434
742365652535633606
oct4077664642460776
9630755121422134
10145125444051454
114227239a8332a9
121433a3496b227a
1362c9369813b39
1427ba17502bc06
1511ba0a4ad0c04
hex83fda68a61fe

145125444051454 has 32 divisors (see below), whose sum is σ = 234817704190080. Its totient is φ = 67046632928352.

The previous prime is 145125444051439. The next prime is 145125444051481. The reversal of 145125444051454 is 454150444521541.

It is a happy number.

It is a super-2 number, since 2×1451254440514542 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145125444051398 and 145125444051407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63903057 + ... + 66135100.

It is an arithmetic number, because the mean of its divisors is an integer number (7338053255940).

Almost surely, 2145125444051454 is an apocalyptic number.

145125444051454 is a deficient number, since it is larger than the sum of its proper divisors (89692260138626).

145125444051454 is a wasteful number, since it uses less digits than its factorization.

145125444051454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130038904.

The product of its (nonzero) digits is 5120000, while the sum is 49.

Adding to 145125444051454 its reverse (454150444521541), we get a palindrome (599275888572995).

The spelling of 145125444051454 in words is "one hundred forty-five trillion, one hundred twenty-five billion, four hundred forty-four million, fifty-one thousand, four hundred fifty-four".

Divisors: 1 2 19 38 43 86 683 817 1366 1634 12977 25954 29369 58738 558011 1116022 130038157 260076314 2470724983 4941449966 5591640751 11183281502 88816061231 106241174269 177632122462 212482348538 1687505163389 3375010326778 3819090632933 7638181265866 72562722025727 145125444051454