45401915 has 8 divisors (see below), whose sum is σ = 58673328. Its totient is φ = 33527520.

The previous prime is 45401911. The next prime is 45401921. The reversal of 45401915 is 51910454.

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

It is not a de Polignac number, because 45401915 - 2² = 45401911 is a prime.

It is a super-2 number, since 2×45401915² = 4122667771334450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45401911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349181 + ... + 349310.

It is an arithmetic number, because the mean of its divisors is an integer number (7334166).

Almost surely, 2^45401915 is an apocalyptic number.

45401915 is a deficient number, since it is larger than the sum of its proper divisors (13271413).

45401915 is a wasteful number, since it uses less digits than its factorization.

45401915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698509.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 45401915 is about 6738.0943151606. The cubic root of 45401915 is about 356.7451332102.

The spelling of 45401915 in words is "forty-five million, four hundred one thousand, nine hundred fifteen".