45207340 has 24 divisors (see below), whose sum is σ = 97502832. Its totient is φ = 17593920.

The previous prime is 45207329. The next prime is 45207341. The reversal of 45207340 is 4370254.

It is not an unprimeable number, because it can be changed into a prime (45207341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29806 + ... + 31285.

It is an arithmetic number, because the mean of its divisors is an integer number (4062618).

Almost surely, 2^45207340 is an apocalyptic number.

It is an amenable number.

45207340 is an abundant number, since it is smaller than the sum of its proper divisors (52295492).

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

45207340 is a wasteful number, since it uses less digits than its factorization.

45207340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61137 (or 61135 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 45207340 is about 6723.6403830068. The cubic root of 45207340 is about 356.2347796924.

Adding to 45207340 its reverse (4370254), we get a palindrome (49577594).

The spelling of 45207340 in words is "forty-five million, two hundred seven thousand, three hundred forty".