45999091 has 2 divisors, whose sum is σ = 45999092. Its totient is φ = 45999090.

The previous prime is 45999073. The next prime is 45999119. The reversal of 45999091 is 19099954.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45999091 - 2²³ = 37610483 is a prime.

It is not a weakly prime, because it can be changed into another prime (45999061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22999545 + 22999546.

It is an arithmetic number, because the mean of its divisors is an integer number (22999546).

Almost surely, 2^45999091 is an apocalyptic number.

45999091 is a deficient number, since it is larger than the sum of its proper divisors (1).

45999091 is an equidigital number, since it uses as much as digits as its factorization.

45999091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 46.

The square root of 45999091 is about 6782.2629704251. The cubic root of 45999091 is about 358.3024269480.

The spelling of 45999091 in words is "forty-five million, nine hundred ninety-nine thousand, ninety-one".