442255154 has 16 divisors (see below), whose sum is σ = 743250816. Its totient is φ = 195591600.

The previous prime is 442255127. The next prime is 442255157. The reversal of 442255154 is 451552244.

It is a self number, because there is not a number n which added to its sum of digits gives 442255154.

It is not an unprimeable number, because it can be changed into a prime (442255157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270842 + ... + 272469.

It is an arithmetic number, because the mean of its divisors is an integer number (46453176).

Almost surely, 2^442255154 is an apocalyptic number.

442255154 is a deficient number, since it is larger than the sum of its proper divisors (300995662).

442255154 is a wasteful number, since it uses less digits than its factorization.

442255154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543361.

The product of its digits is 32000, while the sum is 32.

The square root of 442255154 is about 21029.8633851958. The cubic root of 442255154 is about 761.8877092658.

The spelling of 442255154 in words is "four hundred forty-two million, two hundred fifty-five thousand, one hundred fifty-four".