45075493 has 4 divisors (see below), whose sum is σ = 45926028. Its totient is φ = 44224960.

The previous prime is 45075479. The next prime is 45075539. The reversal of 45075493 is 39457054.

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 20493729 + 24581764 = 4527^2 + 4958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45075493 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 (45075473) 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, 425188 + ... + 425293.

It is an arithmetic number, because the mean of its divisors is an integer number (11481507).

Almost surely, 2^45075493 is an apocalyptic number.

It is an amenable number.

45075493 is a deficient number, since it is larger than the sum of its proper divisors (850535).

45075493 is an equidigital number, since it uses as much as digits as its factorization.

45075493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850534.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 45075493 is about 6713.8284905112. The cubic root of 45075493 is about 355.8881234322. Note that the first 3 decimals are identical.

It can be divided in two parts, 4507 and 5493, that added together give a 4-th power (10000 = 10⁴).

The spelling of 45075493 in words is "forty-five million, seventy-five thousand, four hundred ninety-three".