32155442 has 16 divisors (see below), whose sum is σ = 54041472. Its totient is φ = 14220720.

The previous prime is 32155441. The next prime is 32155447. The reversal of 32155442 is 24455123.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (32155441) 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, 18938 + ... + 20565.

It is an arithmetic number, because the mean of its divisors is an integer number (3377592).

Almost surely, 2^32155442 is an apocalyptic number.

32155442 is a deficient number, since it is larger than the sum of its proper divisors (21886030).

32155442 is a wasteful number, since it uses less digits than its factorization.

32155442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39553.

The product of its digits is 4800, while the sum is 26.

The square root of 32155442 is about 5670.5768665983. The cubic root of 32155442 is about 317.9934402613.

The spelling of 32155442 in words is "thirty-two million, one hundred fifty-five thousand, four hundred forty-two".