45305387 has 4 divisors (see below), whose sum is σ = 45609600. Its totient is φ = 45001176.

The previous prime is 45305383. The next prime is 45305401. The reversal of 45305387 is 78350354.

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

It is a cyclic number.

It is not a de Polignac number, because 45305387 - 2² = 45305383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45305383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151883 + ... + 152180.

It is an arithmetic number, because the mean of its divisors is an integer number (11402400).

Almost surely, 2^45305387 is an apocalyptic number.

45305387 is a deficient number, since it is larger than the sum of its proper divisors (304213).

45305387 is a wasteful number, since it uses less digits than its factorization.

45305387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304212.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 45305387 is about 6730.9276478061. The cubic root of 45305387 is about 356.4921311981.

The spelling of 45305387 in words is "forty-five million, three hundred five thousand, three hundred eighty-seven".