156849117 has 8 divisors (see below), whose sum is σ = 212560800. Its totient is φ = 102851760.

The previous prime is 156849113. The next prime is 156849151. The reversal of 156849117 is 711948651.

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

It is not a de Polignac number, because 156849117 - 2² = 156849113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156849113) 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, 428367 + ... + 428732.

It is an arithmetic number, because the mean of its divisors is an integer number (26570100).

Almost surely, 2^156849117 is an apocalyptic number.

It is an amenable number.

156849117 is a deficient number, since it is larger than the sum of its proper divisors (55711683).

156849117 is an equidigital number, since it uses as much as digits as its factorization.

156849117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857163.

The product of its digits is 60480, while the sum is 42.

The square root of 156849117 is about 12523.9417517010. The cubic root of 156849117 is about 539.2961990222.

The spelling of 156849117 in words is "one hundred fifty-six million, eight hundred forty-nine thousand, one hundred seventeen".