442432137 has 16 divisors (see below), whose sum is σ = 675301760. Its totient is φ = 252398592.

The previous prime is 442432127. The next prime is 442432141. The reversal of 442432137 is 731234244.

It is not a de Polignac number, because 442432137 - 2⁴ = 442432121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442432127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4312 + ... + 30057.

It is an arithmetic number, because the mean of its divisors is an integer number (42206360).

Almost surely, 2^442432137 is an apocalyptic number.

It is an amenable number.

442432137 is a deficient number, since it is larger than the sum of its proper divisors (232869623).

442432137 is a wasteful number, since it uses less digits than its factorization.

442432137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34992.

The product of its digits is 16128, while the sum is 30.

The square root of 442432137 is about 21034.0708613430. The cubic root of 442432137 is about 761.9893272181.

The spelling of 442432137 in words is "four hundred forty-two million, four hundred thirty-two thousand, one hundred thirty-seven".