45774451 has 4 divisors (see below), whose sum is σ = 45846504. Its totient is φ = 45702400.

The previous prime is 45774433. The next prime is 45774479. The reversal of 45774451 is 15447754.

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 45774451 - 2⁵ = 45774419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45774451.

It is not an unprimeable number, because it can be changed into a prime (45778451) 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, 35065 + ... + 36346.

It is an arithmetic number, because the mean of its divisors is an integer number (11461626).

Almost surely, 2^45774451 is an apocalyptic number.

45774451 is a deficient number, since it is larger than the sum of its proper divisors (72053).

45774451 is an equidigital number, since it uses as much as digits as its factorization.

45774451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72052.

The product of its digits is 78400, while the sum is 37.

The square root of 45774451 is about 6765.6818577288. The cubic root of 45774451 is about 357.7182093265.

It can be divided in two parts, 45774 and 451, that added together give a square (46225 = 215²).

The spelling of 45774451 in words is "forty-five million, seven hundred seventy-four thousand, four hundred fifty-one".