145031973524 has 12 divisors (see below), whose sum is σ = 255422553204. Its totient is φ = 72054101184.

The previous prime is 145031973451. The next prime is 145031973599. The reversal of 145031973524 is 425379130541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 107539396624 + 37492576900 = 327932^2 + 193630^2 .

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, 115470689 + ... + 115471944.

It is an arithmetic number, because the mean of its divisors is an integer number (21285212767).

Almost surely, 2^145031973524 is an apocalyptic number.

It is an amenable number.

145031973524 is a deficient number, since it is larger than the sum of its proper divisors (110390579680).

145031973524 is a wasteful number, since it uses less digits than its factorization.

145031973524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230942794 (or 230942792 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 145031973524 in words is "one hundred forty-five billion, thirty-one million, nine hundred seventy-three thousand, five hundred twenty-four".