45520999 has 2 divisors, whose sum is σ = 45521000. Its totient is φ = 45520998.

The previous prime is 45520973. The next prime is 45521023. The reversal of 45520999 is 99902554.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45520999 - 2¹³ = 45512807 is a prime.

It is a super-2 number, since 2×45520999² = 4144322699916002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45520499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22760499 + 22760500.

It is an arithmetic number, because the mean of its divisors is an integer number (22760500).

Almost surely, 2^45520999 is an apocalyptic number.

45520999 is a deficient number, since it is larger than the sum of its proper divisors (1).

45520999 is an equidigital number, since it uses as much as digits as its factorization.

45520999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 45520999 is about 6746.9251515042. The cubic root of 45520999 is about 357.0567613953.

The spelling of 45520999 in words is "forty-five million, five hundred twenty thousand, nine hundred ninety-nine".