45382919 has 4 divisors (see below), whose sum is σ = 46060344. Its totient is φ = 44705496.

The previous prime is 45382903. The next prime is 45382921. The reversal of 45382919 is 91928354.

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 45382919 - 2⁴ = 45382903 is a prime.

It is a super-2 number, since 2×45382919² = 4119218673921122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45322919) 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, 338612 + ... + 338745.

It is an arithmetic number, because the mean of its divisors is an integer number (11515086).

Almost surely, 2^45382919 is an apocalyptic number.

45382919 is a deficient number, since it is larger than the sum of its proper divisors (677425).

45382919 is an equidigital number, since it uses as much as digits as its factorization.

45382919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677424.

The product of its digits is 77760, while the sum is 41.

The square root of 45382919 is about 6736.6845703209. The cubic root of 45382919 is about 356.6953726374.

The spelling of 45382919 in words is "forty-five million, three hundred eighty-two thousand, nine hundred nineteen".