32157242 has 16 divisors (see below), whose sum is σ = 52829280. Its totient is φ = 14589552.

The previous prime is 32157227. The next prime is 32157263. The reversal of 32157242 is 24275123.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8948 + ... + 12015.

It is an arithmetic number, because the mean of its divisors is an integer number (3301830).

Almost surely, 2^32157242 is an apocalyptic number.

32157242 is a deficient number, since it is larger than the sum of its proper divisors (20672038).

32157242 is a wasteful number, since it uses less digits than its factorization.

32157242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21037.

The product of its digits is 3360, while the sum is 26.

The square root of 32157242 is about 5670.7355783884. The cubic root of 32157242 is about 317.9993737050. Note that the first 3 decimals are identical.

The spelling of 32157242 in words is "thirty-two million, one hundred fifty-seven thousand, two hundred forty-two".