45240519 has 8 divisors (see below), whose sum is σ = 63869040. Its totient is φ = 28386176.

The previous prime is 45240511. The next prime is 45240523. The reversal of 45240519 is 91504254.

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

It is a cyclic number.

It is not a de Polignac number, because 45240519 - 2³ = 45240511 is a prime.

It is a super-2 number, since 2×45240519² = 4093409118778722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45240511) 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, 443484 + ... + 443585.

It is an arithmetic number, because the mean of its divisors is an integer number (7983630).

Almost surely, 2^45240519 is an apocalyptic number.

45240519 is a deficient number, since it is larger than the sum of its proper divisors (18628521).

45240519 is a wasteful number, since it uses less digits than its factorization.

45240519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887089.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 45240519 is about 6726.1072694390. The cubic root of 45240519 is about 356.3219087838.

The spelling of 45240519 in words is "forty-five million, two hundred forty thousand, five hundred nineteen".