42148916 has 54 divisors (see below), whose sum is σ = 83514438. Its totient is φ = 18604800.

The previous prime is 42148891. The next prime is 42148921. The reversal of 42148916 is 61984124.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 29116816 + 13032100 = 5396^2 + 3610^2 .

It is a super-2 number, since 2×42148916² = 3553062239950112, 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 in 17 ways as a sum of consecutive naturals, for example, 417266 + ... + 417366.

Almost surely, 2^42148916 is an apocalyptic number.

It is an amenable number.

42148916 is a deficient number, since it is larger than the sum of its proper divisors (41365522).

42148916 is a wasteful number, since it uses less digits than its factorization.

42148916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 139 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 42148916 is about 6492.2196512441. The cubic root of 42148916 is about 348.0130021125.

The spelling of 42148916 in words is "forty-two million, one hundred forty-eight thousand, nine hundred sixteen".