45098765 has 4 divisors (see below), whose sum is σ = 54118524. Its totient is φ = 36079008.

The previous prime is 45098759. The next prime is 45098777. The reversal of 45098765 is 56789054.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13446889 + 31651876 = 3667^2 + 5626^2 .

It is a cyclic number.

It is not a de Polignac number, because 45098765 - 2²⁴ = 28321549 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4509872 + ... + 4509881.

It is an arithmetic number, because the mean of its divisors is an integer number (13529631).

Almost surely, 2^45098765 is an apocalyptic number.

It is an amenable number.

45098765 is a deficient number, since it is larger than the sum of its proper divisors (9019759).

45098765 is an equidigital number, since it uses as much as digits as its factorization.

45098765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9019758.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 45098765 is about 6715.5614061670. The cubic root of 45098765 is about 355.9493599854.

The spelling of 45098765 in words is "forty-five million, ninety-eight thousand, seven hundred sixty-five".