157117834 has 8 divisors (see below), whose sum is σ = 235733760. Its totient is φ = 78539916.

The previous prime is 157117813. The next prime is 157117843. The reversal of 157117834 is 438711751.

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

It is a junction number, because it is equal to n+sod(n) for n = 157117793 and 157117802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5697 + ... + 18619.

It is an arithmetic number, because the mean of its divisors is an integer number (29466720).

Almost surely, 2^157117834 is an apocalyptic number.

157117834 is a deficient number, since it is larger than the sum of its proper divisors (78615926).

157117834 is a wasteful number, since it uses less digits than its factorization.

157117834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19004.

The product of its digits is 23520, while the sum is 37.

The square root of 157117834 is about 12534.6652926993. The cubic root of 157117834 is about 539.6040009389.

The spelling of 157117834 in words is "one hundred fifty-seven million, one hundred seventeen thousand, eight hundred thirty-four".