145525624164 has 60 divisors (see below), whose sum is σ = 384199474428. Its totient is φ = 48028248000.

The previous prime is 145525624157. The next prime is 145525624171. The reversal of 145525624164 is 461426525541.

145525624164 is a `hidden beast` number, since 1 + 4 + 5 + 5 + 2 + 5 + 624 + 16 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (145525624157) and next prime (145525624171).

It can be written as a sum of positive squares in 2 ways, for example, as 137746384164 + 7779240000 = 371142^2 + 88200^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2190807 + ... + 2256254.

Almost surely, 2^145525624164 is an apocalyptic number.

It is an amenable number.

145525624164 is an abundant number, since it is smaller than the sum of its proper divisors (238673850264).

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

145525624164 is a wasteful number, since it uses less digits than its factorization.

145525624164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447178 (or 4447167 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 45.

The spelling of 145525624164 in words is "one hundred forty-five billion, five hundred twenty-five million, six hundred twenty-four thousand, one hundred sixty-four".