45405245 has 8 divisors (see below), whose sum is σ = 55815480. Its totient is φ = 35438080.

The previous prime is 45405223. The next prime is 45405251. The reversal of 45405245 is 54250454.

It can be written as a sum of positive squares in 4 ways, for example, as 219961 + 45185284 = 469^2 + 6722^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45405245 - 2¹⁰ = 45404221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110540 + ... + 110949.

It is an arithmetic number, because the mean of its divisors is an integer number (6976935).

Almost surely, 2^45405245 is an apocalyptic number.

It is an amenable number.

45405245 is a deficient number, since it is larger than the sum of its proper divisors (10410235).

45405245 is a wasteful number, since it uses less digits than its factorization.

45405245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221535.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 45405245 is about 6738.3414131372. The cubic root of 45405245 is about 356.7538548119.

Adding to 45405245 its reverse (54250454), we get a palindrome (99655699).

The spelling of 45405245 in words is "forty-five million, four hundred five thousand, two hundred forty-five".