157000307 has 4 divisors (see below), whose sum is σ = 157042776. Its totient is φ = 156957840.

The previous prime is 157000301. The next prime is 157000309. The reversal of 157000307 is 703000751.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703000751 = 13477 ⋅52163.

It is a cyclic number.

It is not a de Polignac number, because 157000307 - 2⁶ = 157000243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157000301) 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, 15098 + ... + 23279.

It is an arithmetic number, because the mean of its divisors is an integer number (39260694).

Almost surely, 2^157000307 is an apocalyptic number.

157000307 is a deficient number, since it is larger than the sum of its proper divisors (42469).

157000307 is an equidigital number, since it uses as much as digits as its factorization.

157000307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42468.

The product of its (nonzero) digits is 735, while the sum is 23.

The square root of 157000307 is about 12529.9763367694. The cubic root of 157000307 is about 539.4694228392.

The spelling of 157000307 in words is "one hundred fifty-seven million, three hundred seven", and thus it is an aban number.