45087497 has 24 divisors (see below), whose sum is σ = 58040136. Its totient is φ = 34691328.

The previous prime is 45087491. The next prime is 45087499. The reversal of 45087497 is 79478054.

It can be written as a sum of positive squares in 4 ways, for example, as 15808576 + 29278921 = 3976^2 + 5411^2 .

It is not a de Polignac number, because 45087497 - 2²⁰ = 44038921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45087491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22613 + ... + 24525.

It is an arithmetic number, because the mean of its divisors is an integer number (2418339).

Almost surely, 2^45087497 is an apocalyptic number.

It is an amenable number.

45087497 is a deficient number, since it is larger than the sum of its proper divisors (12952639).

45087497 is a wasteful number, since it uses less digits than its factorization.

45087497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977 (or 1970 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 45087497 is about 6714.7224067716. The cubic root of 45087497 is about 355.9197126734.

The spelling of 45087497 in words is "forty-five million, eighty-seven thousand, four hundred ninety-seven".