157150073 has 4 divisors (see below), whose sum is σ = 157342308. Its totient is φ = 156957840.

The previous prime is 157150061. The next prime is 157150109. The reversal of 157150073 is 370051751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 370051751 = 1567 ⋅236153.

It can be written as a sum of positive squares in 2 ways, for example, as 39904489 + 117245584 = 6317^2 + 10828^2 .

It is a cyclic number.

It is not a de Polignac number, because 157150073 - 2⁶ = 157150009 is a prime.

It is a super-2 number, since 2×157150073² = 49392290887810658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157150003) 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, 94886 + ... + 96527.

It is an arithmetic number, because the mean of its divisors is an integer number (39335577).

Almost surely, 2^157150073 is an apocalyptic number.

It is an amenable number.

157150073 is a deficient number, since it is larger than the sum of its proper divisors (192235).

157150073 is an equidigital number, since it uses as much as digits as its factorization.

157150073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192234.

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

The square root of 157150073 is about 12535.9512203901. The cubic root of 157150073 is about 539.6409055203.

The spelling of 157150073 in words is "one hundred fifty-seven million, one hundred fifty thousand, seventy-three".