163157342 has 4 divisors (see below), whose sum is σ = 244736016. Its totient is φ = 81578670.

The previous prime is 163157339. The next prime is 163157353. The reversal of 163157342 is 243751361.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 163157299 and 163157308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40789334 + ... + 40789337.

It is an arithmetic number, because the mean of its divisors is an integer number (61184004).

Almost surely, 2^163157342 is an apocalyptic number.

163157342 is a deficient number, since it is larger than the sum of its proper divisors (81578674).

163157342 is an equidigital number, since it uses as much as digits as its factorization.

163157342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81578673.

The product of its digits is 15120, while the sum is 32.

The square root of 163157342 is about 12773.3058367832. The cubic root of 163157342 is about 546.4312653112.

The spelling of 163157342 in words is "one hundred sixty-three million, one hundred fifty-seven thousand, three hundred forty-two".