45507771 has 8 divisors (see below), whose sum is σ = 67418960. Its totient is φ = 30338496.

The previous prime is 45507767. The next prime is 45507773. The reversal of 45507771 is 17770554.

It is not a de Polignac number, because 45507771 - 2² = 45507767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45507773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842710 + ... + 842763.

It is an arithmetic number, because the mean of its divisors is an integer number (8427370).

Almost surely, 2^45507771 is an apocalyptic number.

45507771 is a deficient number, since it is larger than the sum of its proper divisors (21911189).

45507771 is a wasteful number, since it uses less digits than its factorization.

45507771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685482 (or 1685476 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 36.

The square root of 45507771 is about 6745.9447818671. The cubic root of 45507771 is about 357.0221721982.

It can be divided in two parts, 4550 and 7771, that added together give a palindrome (12321).

The spelling of 45507771 in words is "forty-five million, five hundred seven thousand, seven hundred seventy-one".