45387638 has 8 divisors (see below), whose sum is σ = 69235560. Its totient is φ = 22309120.

The previous prime is 45387623. The next prime is 45387649. The reversal of 45387638 is 83678354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192203 + ... + 192438.

It is an arithmetic number, because the mean of its divisors is an integer number (8654445).

Almost surely, 2^45387638 is an apocalyptic number.

45387638 is a deficient number, since it is larger than the sum of its proper divisors (23847922).

45387638 is a wasteful number, since it uses less digits than its factorization.

45387638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384702.

The product of its digits is 483840, while the sum is 44.

The square root of 45387638 is about 6737.0348076880. The cubic root of 45387638 is about 356.7077354908.

The spelling of 45387638 in words is "forty-five million, three hundred eighty-seven thousand, six hundred thirty-eight".