45400532 has 6 divisors (see below), whose sum is σ = 79450938. Its totient is φ = 22700264.

The previous prime is 45400507. The next prime is 45400541. The reversal of 45400532 is 23500454.

It can be written as a sum of positive squares in only one way, i.e., 45212176 + 188356 = 6724^2 + 434^2 .

It is a super-2 number, since 2×45400532² = 4122416611766048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45400498 and 45400507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5675063 + ... + 5675070.

It is an arithmetic number, because the mean of its divisors is an integer number (13241823).

Almost surely, 2^45400532 is an apocalyptic number.

It is an amenable number.

45400532 is a deficient number, since it is larger than the sum of its proper divisors (34050406).

45400532 is a wasteful number, since it uses less digits than its factorization.

45400532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11350137 (or 11350135 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 45400532 is about 6737.9916889233. The cubic root of 45400532 is about 356.7415108701.

Adding to 45400532 its reverse (23500454), we get a palindrome (68900986).

The spelling of 45400532 in words is "forty-five million, four hundred thousand, five hundred thirty-two".