158460987 has 4 divisors (see below), whose sum is σ = 211281320. Its totient is φ = 105640656.

The previous prime is 158460979. The next prime is 158461013. The reversal of 158460987 is 789064851.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 158460987 - 2³ = 158460979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158460187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26410162 + ... + 26410167.

It is an arithmetic number, because the mean of its divisors is an integer number (52820330).

Almost surely, 2^158460987 is an apocalyptic number.

158460987 is a deficient number, since it is larger than the sum of its proper divisors (52820333).

158460987 is an equidigital number, since it uses as much as digits as its factorization.

158460987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52820332.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 158460987 is about 12588.1288124963. The cubic root of 158460987 is about 541.1372773450.

The spelling of 158460987 in words is "one hundred fifty-eight million, four hundred sixty thousand, nine hundred eighty-seven".