145072913564 has 24 divisors (see below), whose sum is σ = 254438229360. Its totient is φ = 72376360704.

The previous prime is 145072913539. The next prime is 145072913603. The reversal of 145072913564 is 465319270541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8931002 + ... + 8947230.

It is an arithmetic number, because the mean of its divisors is an integer number (10601592890).

Almost surely, 2^145072913564 is an apocalyptic number.

It is an amenable number.

145072913564 is a deficient number, since it is larger than the sum of its proper divisors (109365315796).

145072913564 is a wasteful number, since it uses less digits than its factorization.

145072913564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21029 (or 21027 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 145072913564 in words is "one hundred forty-five billion, seventy-two million, nine hundred thirteen thousand, five hundred sixty-four".