42154902 has 12 divisors (see below), whose sum is σ = 91335660. Its totient is φ = 14051628.

The previous prime is 42154891. The next prime is 42154909. The reversal of 42154902 is 20945124.

42154902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42154909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1170952 + ... + 1170987.

It is an arithmetic number, because the mean of its divisors is an integer number (7611305).

Almost surely, 2^42154902 is an apocalyptic number.

42154902 is an abundant number, since it is smaller than the sum of its proper divisors (49180758).

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

42154902 is a wasteful number, since it uses less digits than its factorization.

42154902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341947 (or 2341944 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 42154902 is about 6492.6806482377. The cubic root of 42154902 is about 348.0294762983.

The spelling of 42154902 in words is "forty-two million, one hundred fifty-four thousand, nine hundred two".