45102738 has 8 divisors (see below), whose sum is σ = 90205488. Its totient is φ = 15034244.

The previous prime is 45102709. The next prime is 45102763. The reversal of 45102738 is 83720154.

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

45102738 is an admirable number.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 3758556 + ... + 3758567.

It is an arithmetic number, because the mean of its divisors is an integer number (11275686).

Almost surely, 2^45102738 is an apocalyptic number.

45102738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45102738 is a wasteful number, since it uses less digits than its factorization.

45102738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7517128.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 45102738 is about 6715.8572051526. The cubic root of 45102738 is about 355.9598121954.

The spelling of 45102738 in words is "forty-five million, one hundred two thousand, seven hundred thirty-eight".