45897638 has 4 divisors (see below), whose sum is σ = 68846460. Its totient is φ = 22948818.

The previous prime is 45897623. The next prime is 45897647. The reversal of 45897638 is 83679854.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11474408 + ... + 11474411.

It is an arithmetic number, because the mean of its divisors is an integer number (17211615).

Almost surely, 2^45897638 is an apocalyptic number.

45897638 is a deficient number, since it is larger than the sum of its proper divisors (22948822).

45897638 is a wasteful number, since it uses less digits than its factorization.

45897638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22948821.

The product of its digits is 1451520, while the sum is 50.

The square root of 45897638 is about 6774.7795536091. The cubic root of 45897638 is about 358.0388158447.

The spelling of 45897638 in words is "forty-five million, eight hundred ninety-seven thousand, six hundred thirty-eight".