45121253 has 8 divisors (see below), whose sum is σ = 46072800. Its totient is φ = 44176048.

The previous prime is 45121249. The next prime is 45121259. The reversal of 45121253 is 35212154.

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

It is a cyclic number.

It is not a de Polignac number, because 45121253 - 2² = 45121249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45121259) 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, 14450 + ... + 17292.

It is an arithmetic number, because the mean of its divisors is an integer number (5759100).

Almost surely, 2^45121253 is an apocalyptic number.

It is an amenable number.

45121253 is a deficient number, since it is larger than the sum of its proper divisors (951547).

45121253 is a wasteful number, since it uses less digits than its factorization.

45121253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171.

The product of its digits is 1200, while the sum is 23.

The square root of 45121253 is about 6717.2355176814. The cubic root of 45121253 is about 356.0085135573.

Subtracting from 45121253 its reverse (35212154), we obtain a palindrome (9909099).

The spelling of 45121253 in words is "forty-five million, one hundred twenty-one thousand, two hundred fifty-three".