42315452 has 12 divisors (see below), whose sum is σ = 74507496. Its totient is φ = 21027600.

The previous prime is 42315433. The next prime is 42315487. The reversal of 42315452 is 25451324.

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, 31799 + ... + 33102.

It is an arithmetic number, because the mean of its divisors is an integer number (6208958).

Almost surely, 2^42315452 is an apocalyptic number.

It is an amenable number.

42315452 is a deficient number, since it is larger than the sum of its proper divisors (32192044).

42315452 is a wasteful number, since it uses less digits than its factorization.

42315452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65068 (or 65066 counting only the distinct ones).

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

The square root of 42315452 is about 6505.0328208242. The cubic root of 42315452 is about 348.4707483955.

Adding to 42315452 its reverse (25451324), we get a palindrome (67766776).

The spelling of 42315452 in words is "forty-two million, three hundred fifteen thousand, four hundred fifty-two".