45323540 has 12 divisors (see below), whose sum is σ = 95179476. Its totient is φ = 18129408.

The previous prime is 45323539. The next prime is 45323543. The reversal of 45323540 is 4532354.

It can be written as a sum of positive squares in 2 ways, for example, as 21548164 + 23775376 = 4642^2 + 4876^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45323543) 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, 1133069 + ... + 1133108.

It is an arithmetic number, because the mean of its divisors is an integer number (7931623).

Almost surely, 2^45323540 is an apocalyptic number.

It is an amenable number.

45323540 is an abundant number, since it is smaller than the sum of its proper divisors (49855936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45323540 is a wasteful number, since it uses less digits than its factorization.

45323540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266186 (or 2266184 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 45323540 is about 6732.2759895893. The cubic root of 45323540 is about 356.5397380278.

Adding to 45323540 its reverse (4532354), we get a palindrome (49855894).

It can be divided in two parts, 4532 and 3540, that multiplied together give a triangular number (16043280 = T₅₆₆₄).

The spelling of 45323540 in words is "forty-five million, three hundred twenty-three thousand, five hundred forty".