45126091 has 4 divisors (see below), whose sum is σ = 45891000. Its totient is φ = 44361184.

The previous prime is 45126089. The next prime is 45126097. The reversal of 45126091 is 19062154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45126091 - 2¹ = 45126089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45126097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382366 + ... + 382483.

It is an arithmetic number, because the mean of its divisors is an integer number (11472750).

Almost surely, 2^45126091 is an apocalyptic number.

45126091 is a deficient number, since it is larger than the sum of its proper divisors (764909).

45126091 is an equidigital number, since it uses as much as digits as its factorization.

45126091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764908.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 45126091 is about 6717.5956264128. The cubic root of 45126091 is about 356.0212371079.

The spelling of 45126091 in words is "forty-five million, one hundred twenty-six thousand, ninety-one".