45040869 has 12 divisors (see below), whose sum is σ = 65238316. Its totient is φ = 29944512.

The previous prime is 45040867. The next prime is 45040907. The reversal of 45040869 is 96804054.

It can be written as a sum of positive squares in 2 ways, for example, as 20657025 + 24383844 = 4545^2 + 4938^2 .

It is not a de Polignac number, because 45040869 - 2¹ = 45040867 is a prime.

It is a super-2 number, since 2×45040869² = 4057359760550322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45040867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3352 + ... + 10065.

Almost surely, 2^45040869 is an apocalyptic number.

It is an amenable number.

45040869 is a deficient number, since it is larger than the sum of its proper divisors (20197447).

45040869 is a wasteful number, since it uses less digits than its factorization.

45040869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13796 (or 13793 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 45040869 is about 6711.2494365803. The cubic root of 45040869 is about 355.7969768841.

The spelling of 45040869 in words is "forty-five million, forty thousand, eight hundred sixty-nine".