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145413565401 = 3136161123819
BaseRepresentation
bin1000011101101101010…
…0101110101111011001
3111220100010021111101110
42013123110232233121
54340301333043101
6150445125210533
713335324624546
oct2073324565731
9456303244343
10145413565401
1156740191a35
1224222860a49
1310935301830
1470765c5bcd
153bb111acd6
hex21db52ebd9

145413565401 has 16 divisors (see below), whose sum is σ = 212221903040. Its totient is φ = 88018297920.

The previous prime is 145413565351. The next prime is 145413565403. The reversal of 145413565401 is 104565314541.

It is not a de Polignac number, because 145413565401 - 213 = 145413557209 is a prime.

It is a super-2 number, since 2×1454135654012 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145413565401.

It is not an unprimeable number, because it can be changed into a prime (145413565403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30559531 + ... + 30564288.

It is an arithmetic number, because the mean of its divisors is an integer number (13263868940).

Almost surely, 2145413565401 is an apocalyptic number.

It is an amenable number.

145413565401 is a deficient number, since it is larger than the sum of its proper divisors (66808337639).

145413565401 is a wasteful number, since it uses less digits than its factorization.

145413565401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61123896.

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 145413565401 its reverse (104565314541), we get a palindrome (249978879942).

The spelling of 145413565401 in words is "one hundred forty-five billion, four hundred thirteen million, five hundred sixty-five thousand, four hundred one".

Divisors: 1 3 13 39 61 183 793 2379 61123819 183371457 794609647 2383828941 3728552959 11185658877 48471188467 145413565401