157043071 has 8 divisors (see below), whose sum is σ = 158207984. Its totient is φ = 155882880.

The previous prime is 157043063. The next prime is 157043099. The reversal of 157043071 is 170340751.

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

It is a cyclic number.

It is not a de Polignac number, because 157043071 - 2³ = 157043063 is a prime.

It is a super-2 number, since 2×157043071² = 49325052298222082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157043041) 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, 89020 + ... + 90766.

It is an arithmetic number, because the mean of its divisors is an integer number (19775998).

Almost surely, 2^157043071 is an apocalyptic number.

157043071 is a deficient number, since it is larger than the sum of its proper divisors (1164913).

157043071 is a wasteful number, since it uses less digits than its factorization.

157043071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 157043071 is about 12531.6826882905. The cubic root of 157043071 is about 539.5183989135.

The spelling of 157043071 in words is "one hundred fifty-seven million, forty-three thousand, seventy-one".