45139650 has 24 divisors (see below), whose sum is σ = 111946704. Its totient is φ = 12037200.

The previous prime is 45139621. The next prime is 45139663. The reversal of 45139650 is 5693154.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150316 + ... + 150615.

It is an arithmetic number, because the mean of its divisors is an integer number (4664446).

Almost surely, 2^45139650 is an apocalyptic number.

45139650 is an abundant number, since it is smaller than the sum of its proper divisors (66807054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45139650 is a wasteful number, since it uses less digits than its factorization.

45139650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300946 (or 300941 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 45139650 is about 6718.6047658722. The cubic root of 45139650 is about 356.0568913413.

The spelling of 45139650 in words is "forty-five million, one hundred thirty-nine thousand, six hundred fifty".