45709245 has 32 divisors (see below), whose sum is σ = 83466240. Its totient is φ = 23716800.

The previous prime is 45709207. The next prime is 45709253. The reversal of 45709245 is 54290754.

It is not a de Polignac number, because 45709245 - 2¹¹ = 45707197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420 + ... + 9570.

It is an arithmetic number, because the mean of its divisors is an integer number (2608320).

Almost surely, 2^45709245 is an apocalyptic number.

45709245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45709245 is a deficient number, since it is larger than the sum of its proper divisors (37756995).

45709245 is a wasteful number, since it uses less digits than its factorization.

45709245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9202 (or 9196 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 45709245 is about 6760.8612617033. The cubic root of 45709245 is about 357.5482713113.

Adding to 45709245 its reverse (54290754), we get a palindrome (99999999).

It can be divided in two parts, 45709 and 245, that added together give a palindrome (45954).

The spelling of 45709245 in words is "forty-five million, seven hundred nine thousand, two hundred forty-five".