45137771 has 16 divisors (see below), whose sum is σ = 55742400. Its totient is φ = 36408960.

The previous prime is 45137747. The next prime is 45137783. The reversal of 45137771 is 17773154.

It is not a de Polignac number, because 45137771 - 2¹⁰ = 45136747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45137731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1961 + ... + 9701.

It is an arithmetic number, because the mean of its divisors is an integer number (3483900).

Almost surely, 2^45137771 is an apocalyptic number.

45137771 is a deficient number, since it is larger than the sum of its proper divisors (10604629).

45137771 is an equidigital number, since it uses as much as digits as its factorization.

45137771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7779 (or 7765 counting only the distinct ones).

The product of its digits is 20580, while the sum is 35.

The square root of 45137771 is about 6718.4649288361. The cubic root of 45137771 is about 356.0519508202.

The spelling of 45137771 in words is "forty-five million, one hundred thirty-seven thousand, seven hundred seventy-one".