45774749 has 4 divisors (see below), whose sum is σ = 46326336. Its totient is φ = 45223164.

The previous prime is 45774739. The next prime is 45774769. The reversal of 45774749 is 94747754.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45774749 - 2²⁰ = 44726173 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 (45774709) 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, 275669 + ... + 275834.

It is an arithmetic number, because the mean of its divisors is an integer number (11581584).

Almost surely, 2^45774749 is an apocalyptic number.

It is an amenable number.

45774749 is a deficient number, since it is larger than the sum of its proper divisors (551587).

45774749 is an equidigital number, since it uses as much as digits as its factorization.

45774749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551586.

The product of its digits is 987840, while the sum is 47.

The square root of 45774749 is about 6765.7038806025. The cubic root of 45774749 is about 357.7189855950.

The spelling of 45774749 in words is "forty-five million, seven hundred seventy-four thousand, seven hundred forty-nine".