42158454 has 32 divisors (see below), whose sum is σ = 95585280. Its totient is φ = 12288672.

The previous prime is 42158443. The next prime is 42158491. The reversal of 42158454 is 45485124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12742 + ... + 15705.

It is an arithmetic number, because the mean of its divisors is an integer number (2987040).

Almost surely, 2^42158454 is an apocalyptic number.

42158454 is an abundant number, since it is smaller than the sum of its proper divisors (53426826).

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

42158454 is a wasteful number, since it uses less digits than its factorization.

42158454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28484.

The product of its digits is 25600, while the sum is 33.

The square root of 42158454 is about 6492.9541812645. The cubic root of 42158454 is about 348.0392510886.

The spelling of 42158454 in words is "forty-two million, one hundred fifty-eight thousand, four hundred fifty-four".