45532019 has 16 divisors (see below), whose sum is σ = 51492672. Its totient is φ = 39946368.

The previous prime is 45532013. The next prime is 45532027. The reversal of 45532019 is 91023554.

It is a cyclic number.

It is not a de Polignac number, because 45532019 - 2²⁰ = 44483443 is a prime.

It is a super-2 number, since 2×45532019² = 4146329508432722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45531982 and 45532000.

It is not an unprimeable number, because it can be changed into a prime (45532013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58517 + ... + 59289.

It is an arithmetic number, because the mean of its divisors is an integer number (3218292).

Almost surely, 2^45532019 is an apocalyptic number.

45532019 is a deficient number, since it is larger than the sum of its proper divisors (5960653).

45532019 is a wasteful number, since it uses less digits than its factorization.

45532019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 45532019 is about 6747.7417703999. The cubic root of 45532019 is about 357.0855718939.

The spelling of 45532019 in words is "forty-five million, five hundred thirty-two thousand, nineteen".