45380999 has 4 divisors (see below), whose sum is σ = 46020240. Its totient is φ = 44741760.

The previous prime is 45380989. The next prime is 45381013. The reversal of 45380999 is 99908354.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45380999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45380989) 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, 319514 + ... + 319655.

It is an arithmetic number, because the mean of its divisors is an integer number (11505060).

Almost surely, 2^45380999 is an apocalyptic number.

45380999 is a deficient number, since it is larger than the sum of its proper divisors (639241).

45380999 is an equidigital number, since it uses as much as digits as its factorization.

45380999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639240.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 45380999 is about 6736.5420654814. The cubic root of 45380999 is about 356.6903423691.

The spelling of 45380999 in words is "forty-five million, three hundred eighty thousand, nine hundred ninety-nine".