45245240 has 16 divisors (see below), whose sum is σ = 101801880. Its totient is φ = 18098080.

The previous prime is 45245219. The next prime is 45245287. The reversal of 45245240 is 4254254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565526 + ... + 565605.

Almost surely, 2^45245240 is an apocalyptic number.

45245240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45245240 is an abundant number, since it is smaller than the sum of its proper divisors (56556640).

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

45245240 is a wasteful number, since it uses less digits than its factorization.

45245240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131142 (or 1131138 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 45245240 is about 6726.4582062182. The cubic root of 45245240 is about 356.3343028150.

Adding to 45245240 its reverse (4254254), we get a palindrome (49499494).

The spelling of 45245240 in words is "forty-five million, two hundred forty-five thousand, two hundred forty".