42851458 has 32 divisors (see below), whose sum is σ = 74438784. Its totient is φ = 18323712.

The previous prime is 42851447. The next prime is 42851483. The reversal of 42851458 is 85415824.

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, 28891 + ... + 30337.

It is an arithmetic number, because the mean of its divisors is an integer number (2326212).

Almost surely, 2^42851458 is an apocalyptic number.

42851458 is a deficient number, since it is larger than the sum of its proper divisors (31587326).

42851458 is a wasteful number, since it uses less digits than its factorization.

42851458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546.

The product of its digits is 51200, while the sum is 37.

The square root of 42851458 is about 6546.1025045442. The cubic root of 42851458 is about 349.9359284077.

The spelling of 42851458 in words is "forty-two million, eight hundred fifty-one thousand, four hundred fifty-eight".