45259091 has 4 divisors (see below), whose sum is σ = 46311672. Its totient is φ = 44206512.

The previous prime is 45259063. The next prime is 45259129. The reversal of 45259091 is 19095254.

45259091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45259091 - 2¹⁴ = 45242707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45259001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526226 + ... + 526311.

It is an arithmetic number, because the mean of its divisors is an integer number (11577918).

Almost surely, 2^45259091 is an apocalyptic number.

45259091 is a deficient number, since it is larger than the sum of its proper divisors (1052581).

45259091 is a wasteful number, since it uses less digits than its factorization.

45259091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052580.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 45259091 is about 6727.4877183091. The cubic root of 45259091 is about 356.3706608413.

The spelling of 45259091 in words is "forty-five million, two hundred fifty-nine thousand, ninety-one".