450008139 has 32 divisors (see below), whose sum is σ = 727543296. Its totient is φ = 241528320.

The previous prime is 450008137. The next prime is 450008177. The reversal of 450008139 is 931800054.

It is not a de Polignac number, because 450008139 - 2¹ = 450008137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450008137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235024 + ... + 236930.

It is an arithmetic number, because the mean of its divisors is an integer number (22735728).

Almost surely, 2^450008139 is an apocalyptic number.

450008139 is a deficient number, since it is larger than the sum of its proper divisors (277535157).

450008139 is a wasteful number, since it uses less digits than its factorization.

450008139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 450008139 is about 21213.3952727987. The cubic root of 450008139 is about 766.3140523601.

The spelling of 450008139 in words is "four hundred fifty million, eight thousand, one hundred thirty-nine".