42148924 has 12 divisors (see below), whose sum is σ = 74056248. Its totient is φ = 20990000.

The previous prime is 42148921. The next prime is 42148979. The reversal of 42148924 is 42984124.

It is a self number, because there is not a number n which added to its sum of digits gives 42148924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42148921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19987 + ... + 21994.

It is an arithmetic number, because the mean of its divisors is an integer number (6171354).

Almost surely, 2^42148924 is an apocalyptic number.

It is an amenable number.

42148924 is a deficient number, since it is larger than the sum of its proper divisors (31907324).

42148924 is a wasteful number, since it uses less digits than its factorization.

42148924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42236 (or 42234 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 42148924 is about 6492.2202673662. The cubic root of 42148924 is about 348.0130241305.

The spelling of 42148924 in words is "forty-two million, one hundred forty-eight thousand, nine hundred twenty-four".