158645431415 has 16 divisors (see below), whose sum is σ = 191000058912. Its totient is φ = 126499615104.

The previous prime is 158645431379. The next prime is 158645431429. The reversal of 158645431415 is 514134546851.

It is a cyclic number.

It is not a de Polignac number, because 158645431415 - 2⁸ = 158645431159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158645431415.

It is a congruent 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, 4627517 + ... + 4661673.

It is an arithmetic number, because the mean of its divisors is an integer number (11937503682).

Almost surely, 2^158645431415 is an apocalyptic number.

158645431415 is a deficient number, since it is larger than the sum of its proper divisors (32354627497).

158645431415 is a wasteful number, since it uses less digits than its factorization.

158645431415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37186.

The product of its digits is 1152000, while the sum is 47.

The spelling of 158645431415 in words is "one hundred fifty-eight billion, six hundred forty-five million, four hundred thirty-one thousand, four hundred fifteen".