42361157 has 4 divisors (see below), whose sum is σ = 42374976. Its totient is φ = 42347340.

The previous prime is 42361153. The next prime is 42361171. The reversal of 42361157 is 75116324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42361157 - 2² = 42361153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42361153) 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, 23 + ... + 9204.

It is an arithmetic number, because the mean of its divisors is an integer number (10593744).

Almost surely, 2^42361157 is an apocalyptic number.

It is an amenable number.

42361157 is a deficient number, since it is larger than the sum of its proper divisors (13819).

42361157 is an equidigital number, since it uses as much as digits as its factorization.

42361157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13818.

The product of its digits is 5040, while the sum is 29.

The square root of 42361157 is about 6508.5449218700. The cubic root of 42361157 is about 348.5961645577.

The spelling of 42361157 in words is "forty-two million, three hundred sixty-one thousand, one hundred fifty-seven".