42150458 has 16 divisors (see below), whose sum is σ = 72496320. Its totient is φ = 18004896.

The previous prime is 42150457. The next prime is 42150473. The reversal of 42150458 is 85405124.

It is a super-2 number, since 2×42150458² = 3553322219219528, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42150458.

It is not an unprimeable number, because it can be changed into a prime (42150457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428 + ... + 9191.

It is an arithmetic number, because the mean of its divisors is an integer number (4531020).

Almost surely, 2^42150458 is an apocalyptic number.

42150458 is a deficient number, since it is larger than the sum of its proper divisors (30345862).

42150458 is a wasteful number, since it uses less digits than its factorization.

42150458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9941.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 42150458 is about 6492.3384076926. The cubic root of 42150458 is about 348.0172460295.

The spelling of 42150458 in words is "forty-two million, one hundred fifty thousand, four hundred fifty-eight".