145972142264 has 32 divisors (see below), whose sum is σ = 294770658000. Its totient is φ = 67367365632.

The previous prime is 145972142257. The next prime is 145972142339. The reversal of 145972142264 is 462241279541.

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, 1990847 + ... + 2062865.

Almost surely, 2^145972142264 is an apocalyptic number.

It is an amenable number.

145972142264 is an abundant number, since it is smaller than the sum of its proper divisors (148798515736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145972142264 is a wasteful number, since it uses less digits than its factorization.

145972142264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91527 (or 91523 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The spelling of 145972142264 in words is "one hundred forty-five billion, nine hundred seventy-two million, one hundred forty-two thousand, two hundred sixty-four".