45591701 has 4 divisors (see below), whose sum is σ = 45882252. Its totient is φ = 45301152.

The previous prime is 45591661. The next prime is 45591709. The reversal of 45591701 is 10719554.

45591701 = 4774² + 4775².

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 22800625 + 22791076 = 4775^2 + 4774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45591701 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 (45591709) 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, 145040 + ... + 145353.

It is an arithmetic number, because the mean of its divisors is an integer number (11470563).

Almost surely, 2^45591701 is an apocalyptic number.

45591701 is the 4775-th centered square number.

It is an amenable number.

45591701 is a deficient number, since it is larger than the sum of its proper divisors (290551).

45591701 is a wasteful number, since it uses less digits than its factorization.

45591701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290550.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 45591701 is about 6752.1626905755. The cubic root of 45591701 is about 357.2415227817.

The spelling of 45591701 in words is "forty-five million, five hundred ninety-one thousand, seven hundred one".