156230987 has 8 divisors (see below), whose sum is σ = 170620992. Its totient is φ = 141872200.

The previous prime is 156230981. The next prime is 156231059. The reversal of 156230987 is 789032651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 156230987 - 2⁶ = 156230923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156230981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3368 + ... + 17994.

It is an arithmetic number, because the mean of its divisors is an integer number (21327624).

Almost surely, 2^156230987 is an apocalyptic number.

156230987 is a deficient number, since it is larger than the sum of its proper divisors (14390005).

156230987 is a wasteful number, since it uses less digits than its factorization.

156230987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15609.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 156230987 is about 12499.2394568630. The cubic root of 156230987 is about 538.5868250795.

The spelling of 156230987 in words is "one hundred fifty-six million, two hundred thirty thousand, nine hundred eighty-seven".