145637749390402 has 32 divisors (see below), whose sum is σ = 230649032620800. Its totient is φ = 68778005966208.

The previous prime is 145637749390391. The next prime is 145637749390411. The reversal of 145637749390402 is 204093947736541.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45722278 + ... + 48803710.

It is an arithmetic number, because the mean of its divisors is an integer number (7207782269400).

Almost surely, 2^{145637749390402} is an apocalyptic number.

145637749390402 is a deficient number, since it is larger than the sum of its proper divisors (85011283230398).

145637749390402 is a wasteful number, since it uses less digits than its factorization.

145637749390402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085210.

The product of its (nonzero) digits is 137168640, while the sum is 64.

The spelling of 145637749390402 in words is "one hundred forty-five trillion, six hundred thirty-seven billion, seven hundred forty-nine million, three hundred ninety thousand, four hundred two".