45242519 has 8 divisors (see below), whose sum is σ = 51746688. Its totient is φ = 38748600.

The previous prime is 45242507. The next prime is 45242531. The reversal of 45242519 is 91524254.

45242519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45242507) and next prime (45242531).

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 45242519 - 2⁴ = 45242503 is a prime.

It is a super-2 number, since 2×45242519² = 4093771050930722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45242569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14444 + ... + 17294.

It is an arithmetic number, because the mean of its divisors is an integer number (6468336).

Almost surely, 2^45242519 is an apocalyptic number.

45242519 is a deficient number, since it is larger than the sum of its proper divisors (6504169).

45242519 is a wasteful number, since it uses less digits than its factorization.

45242519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125.

The product of its digits is 14400, while the sum is 32.

The square root of 45242519 is about 6726.2559422014. The cubic root of 45242519 is about 356.3271594848.

The spelling of 45242519 in words is "forty-five million, two hundred forty-two thousand, five hundred nineteen".