145524555252 has 72 divisors (see below), whose sum is σ = 402056508672. Its totient is φ = 44182022400.

The previous prime is 145524555181. The next prime is 145524555287. The reversal of 145524555252 is 252555425541.

145524555252 is a `hidden beast` number, since 1 + 4 + 5 + 5 + 2 + 45 + 552 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 145524555198 and 145524555207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3816274 + ... + 3854217.

It is an arithmetic number, because the mean of its divisors is an integer number (5584118176).

Almost surely, 2^145524555252 is an apocalyptic number.

145524555252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145524555252 is an abundant number, since it is smaller than the sum of its proper divisors (256531953420).

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

145524555252 is a wasteful number, since it uses less digits than its factorization.

145524555252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7670549 (or 7670544 counting only the distinct ones).

The product of its digits is 2000000, while the sum is 45.

The spelling of 145524555252 in words is "one hundred forty-five billion, five hundred twenty-four million, five hundred fifty-five thousand, two hundred fifty-two".