42154252 has 24 divisors (see below), whose sum is σ = 84922880. Its totient is φ = 17934480.

The previous prime is 42154243. The next prime is 42154267. The reversal of 42154252 is 25245124.

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, 1524 + ... + 9307.

Almost surely, 2^42154252 is an apocalyptic number.

It is an amenable number.

42154252 is an abundant number, since it is smaller than the sum of its proper divisors (42768628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42154252 is a wasteful number, since it uses less digits than its factorization.

42154252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10981 (or 10979 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 42154252 is about 6492.6305916785. The cubic root of 42154252 is about 348.0276874963.

Adding to 42154252 its reverse (25245124), we get a palindrome (67399376).

The spelling of 42154252 in words is "forty-two million, one hundred fifty-four thousand, two hundred fifty-two".