642446150 has 48 divisors (see below), whose sum is σ = 1270365120. Its totient is φ = 240883200.

The previous prime is 642446141. The next prime is 642446177. The reversal of 642446150 is 51644246.

642446150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228956 + ... + 231744.

It is an arithmetic number, because the mean of its divisors is an integer number (26465940).

Almost surely, 2^642446150 is an apocalyptic number.

642446150 is a deficient number, since it is larger than the sum of its proper divisors (627918970).

642446150 is a wasteful number, since it uses less digits than its factorization.

642446150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089 (or 3084 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 642446150 is about 25346.5214575886. The cubic root of 642446150 is about 862.8704115077.

The spelling of 642446150 in words is "six hundred forty-two million, four hundred forty-six thousand, one hundred fifty".