157836946 has 8 divisors (see below), whose sum is σ = 236839680. Its totient is φ = 78890388.

The previous prime is 157836929. The next prime is 157836949. The reversal of 157836946 is 649638751.

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

It is a self number, because there is not a number n which added to its sum of digits gives 157836946.

It is not an unprimeable number, because it can be changed into a prime (157836949) 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, 6126 + ... + 18793.

It is an arithmetic number, because the mean of its divisors is an integer number (29604960).

Almost surely, 2^157836946 is an apocalyptic number.

157836946 is a deficient number, since it is larger than the sum of its proper divisors (79002734).

157836946 is a wasteful number, since it uses less digits than its factorization.

157836946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28088.

The product of its digits is 1088640, while the sum is 49.

The square root of 157836946 is about 12563.3174758899. The cubic root of 157836946 is about 540.4259853130.

The spelling of 157836946 in words is "one hundred fifty-seven million, eight hundred thirty-six thousand, nine hundred forty-six".