42455132 has 12 divisors (see below), whose sum is σ = 76304760. Its totient is φ = 20653776.

The previous prime is 42455123. The next prime is 42455183. The reversal of 42455132 is 23155424.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143282 + ... + 143577.

It is an arithmetic number, because the mean of its divisors is an integer number (6358730).

Almost surely, 2^42455132 is an apocalyptic number.

It is an amenable number.

42455132 is a deficient number, since it is larger than the sum of its proper divisors (33849628).

42455132 is a wasteful number, since it uses less digits than its factorization.

42455132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286900 (or 286898 counting only the distinct ones).

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

The square root of 42455132 is about 6515.7602779722. The cubic root of 42455132 is about 348.8537521844.

The spelling of 42455132 in words is "forty-two million, four hundred fifty-five thousand, one hundred thirty-two".