157103705 has 8 divisors (see below), whose sum is σ = 205663104. Its totient is φ = 114257200.

The previous prime is 157103693. The next prime is 157103707. The reversal of 157103705 is 507301751.

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

It is not a de Polignac number, because 157103705 - 2⁴ = 157103689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157103707) 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, 1428161 + ... + 1428270.

It is an arithmetic number, because the mean of its divisors is an integer number (25707888).

Almost surely, 2^157103705 is an apocalyptic number.

It is an amenable number.

157103705 is a deficient number, since it is larger than the sum of its proper divisors (48559399).

157103705 is a wasteful number, since it uses less digits than its factorization.

157103705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856447.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 157103705 is about 12534.1016830086. The cubic root of 157103705 is about 539.5878256195.

The spelling of 157103705 in words is "one hundred fifty-seven million, one hundred three thousand, seven hundred five".