45400132 has 12 divisors (see below), whose sum is σ = 84123900. Its totient is φ = 21364736.

The previous prime is 45400129. The next prime is 45400133. The reversal of 45400132 is 23100454.

It can be written as a sum of positive squares in 2 ways, for example, as 27709696 + 17690436 = 5264^2 + 4206^2 .

It is a super-2 number, since 2×45400132² = 4122343971234848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45400133) 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, 333757 + ... + 333892.

It is an arithmetic number, because the mean of its divisors is an integer number (7010325).

Almost surely, 2^45400132 is an apocalyptic number.

It is an amenable number.

45400132 is a deficient number, since it is larger than the sum of its proper divisors (38723768).

45400132 is a wasteful number, since it uses less digits than its factorization.

45400132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667670 (or 667668 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 45400132 is about 6737.9620064230. The cubic root of 45400132 is about 356.7404631803.

Adding to 45400132 its reverse (23100454), we get a palindrome (68500586).

The spelling of 45400132 in words is "forty-five million, four hundred thousand, one hundred thirty-two".