145125331552 has 24 divisors (see below), whose sum is σ = 298137910896. Its totient is φ = 69407766912.

The previous prime is 145125331541. The next prime is 145125331601. The reversal of 145125331552 is 255133521541.

It is a super-2 number, since 2×145125331552² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98589843 + ... + 98591314.

It is an arithmetic number, because the mean of its divisors is an integer number (12422412954).

Almost surely, 2^145125331552 is an apocalyptic number.

It is an amenable number.

145125331552 is an abundant number, since it is smaller than the sum of its proper divisors (153012579344).

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

145125331552 is a wasteful number, since it uses less digits than its factorization.

145125331552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197181190 (or 197181182 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The spelling of 145125331552 in words is "one hundred forty-five billion, one hundred twenty-five million, three hundred thirty-one thousand, five hundred fifty-two".