45003053261 has 4 divisors (see below), whose sum is σ = 45081048732. Its totient is φ = 44925057792.

The previous prime is 45003053257. The next prime is 45003053279. The reversal of 45003053261 is 16235030054.

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 28101493225 + 16901560036 = 167635^2 + 130006^2 .

It is a cyclic number.

It is not a de Polignac number, because 45003053261 - 2² = 45003053257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45003055261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38996870 + ... + 38998023.

It is an arithmetic number, because the mean of its divisors is an integer number (11270262183).

Almost surely, 2^45003053261 is an apocalyptic number.

It is an amenable number.

45003053261 is a deficient number, since it is larger than the sum of its proper divisors (77995471).

45003053261 is an equidigital number, since it uses as much as digits as its factorization.

45003053261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77995470.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 45003053261 in words is "forty-five billion, three million, fifty-three thousand, two hundred sixty-one".