45387115 has 4 divisors (see below), whose sum is σ = 54464544. Its totient is φ = 36309688.

The previous prime is 45387091. The next prime is 45387151. The reversal of 45387115 is 51178354.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51178354 = 2 ⋅25589177.

It is a cyclic number.

It is not a de Polignac number, because 45387115 - 2⁷ = 45386987 is a prime.

It is a Duffinian 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, 4538707 + ... + 4538716.

It is an arithmetic number, because the mean of its divisors is an integer number (13616136).

Almost surely, 2^45387115 is an apocalyptic number.

45387115 is a deficient number, since it is larger than the sum of its proper divisors (9077429).

45387115 is an equidigital number, since it uses as much as digits as its factorization.

45387115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9077428.

The product of its digits is 16800, while the sum is 34.

The square root of 45387115 is about 6736.9959922802. The cubic root of 45387115 is about 356.7063653757.

The spelling of 45387115 in words is "forty-five million, three hundred eighty-seven thousand, one hundred fifteen".