45087393 has 8 divisors (see below), whose sum is σ = 64740928. Its totient is φ = 27746064.

The previous prime is 45087389. The next prime is 45087397. The reversal of 45087393 is 39378054.

It is an interprime number because it is at equal distance from previous prime (45087389) and next prime (45087397).

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

It is not a de Polignac number, because 45087393 - 2² = 45087389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1156087 = 45087393 / (4 + 5 + 0 + 8 + 7 + 3 + 9 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45087397) 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, 578005 + ... + 578082.

It is an arithmetic number, because the mean of its divisors is an integer number (8092616).

Almost surely, 2^45087393 is an apocalyptic number.

It is an amenable number.

45087393 is a deficient number, since it is larger than the sum of its proper divisors (19653535).

45087393 is a wasteful number, since it uses less digits than its factorization.

45087393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156103.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 45087393 is about 6714.7146625899. The cubic root of 45087393 is about 355.9194390153.

The spelling of 45087393 in words is "forty-five million, eighty-seven thousand, three hundred ninety-three".