157342027 has 4 divisors (see below), whose sum is σ = 157573080. Its totient is φ = 157110976.

The previous prime is 157342013. The next prime is 157342037. The reversal of 157342027 is 720243751.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157342027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157342027.

It is not an unprimeable number, because it can be changed into a prime (157342037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114502 + ... + 115867.

It is an arithmetic number, because the mean of its divisors is an integer number (39393270).

Almost surely, 2^157342027 is an apocalyptic number.

157342027 is a deficient number, since it is larger than the sum of its proper divisors (231053).

157342027 is an equidigital number, since it uses as much as digits as its factorization.

157342027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231052.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 157342027 is about 12543.6050240750. The cubic root of 157342027 is about 539.8605343995.

Adding to 157342027 its reverse (720243751), we get a palindrome (877585778).

The spelling of 157342027 in words is "one hundred fifty-seven million, three hundred forty-two thousand, twenty-seven".