45542719 has 6 divisors (see below), whose sum is σ = 46628376. Its totient is φ = 44481780.

The previous prime is 45542701. The next prime is 45542723. The reversal of 45542719 is 91724554.

It is not a de Polignac number, because 45542719 - 2⁵ = 45542687 is a prime.

It is a super-2 number, since 2×45542719² = 4148278507825922, 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 (45542219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10467 + ... + 14164.

It is an arithmetic number, because the mean of its divisors is an integer number (7771396).

Almost surely, 2^45542719 is an apocalyptic number.

45542719 is a deficient number, since it is larger than the sum of its proper divisors (1085657).

45542719 is an equidigital number, since it uses as much as digits as its factorization.

45542719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24717 (or 24674 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 45542719 is about 6748.5345816703. The cubic root of 45542719 is about 357.1135413423.

The spelling of 45542719 in words is "forty-five million, five hundred forty-two thousand, seven hundred nineteen".