45532819 has 2 divisors, whose sum is σ = 45532820. Its totient is φ = 45532818.

The previous prime is 45532811. The next prime is 45532843. The reversal of 45532819 is 91823554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45532819 - 2³ = 45532811 is a prime.

It is a super-2 number, since 2×45532819² = 4146475212173522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45532811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22766409 + 22766410.

It is an arithmetic number, because the mean of its divisors is an integer number (22766410).

Almost surely, 2^45532819 is an apocalyptic number.

45532819 is a deficient number, since it is larger than the sum of its proper divisors (1).

45532819 is an equidigital number, since it uses as much as digits as its factorization.

45532819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 37.

The square root of 45532819 is about 6747.8010492308. The cubic root of 45532819 is about 357.0876632192.

The spelling of 45532819 in words is "forty-five million, five hundred thirty-two thousand, eight hundred nineteen".