157343907 has 8 divisors (see below), whose sum is σ = 239762176. Its totient is φ = 89910792.

The previous prime is 157343873. The next prime is 157343929. The reversal of 157343907 is 709343751.

It is a happy number.

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

It is not a de Polignac number, because 157343907 - 2¹⁰ = 157342883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157344907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3746263 + ... + 3746304.

It is an arithmetic number, because the mean of its divisors is an integer number (29970272).

Almost surely, 2^157343907 is an apocalyptic number.

157343907 is a deficient number, since it is larger than the sum of its proper divisors (82418269).

157343907 is an equidigital number, since it uses as much as digits as its factorization.

157343907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7492577.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 157343907 is about 12543.6799624353. The cubic root of 157343907 is about 539.8626845641.

The spelling of 157343907 in words is "one hundred fifty-seven million, three hundred forty-three thousand, nine hundred seven".