42912152 has 8 divisors (see below), whose sum is σ = 80460300. Its totient is φ = 21456072.

The previous prime is 42912143. The next prime is 42912179. The reversal of 42912152 is 25121924.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×42912152² = 3682905578542208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2682002 + ... + 2682017.

Almost surely, 2^42912152 is an apocalyptic number.

It is an amenable number.

42912152 is a deficient number, since it is larger than the sum of its proper divisors (37548148).

42912152 is a wasteful number, since it uses less digits than its factorization.

42912152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364025 (or 5364021 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 42912152 is about 6550.7367524577. The cubic root of 42912152 is about 350.1010646917.

The spelling of 42912152 in words is "forty-two million, nine hundred twelve thousand, one hundred fifty-two".