51454245 has 16 divisors (see below), whose sum is σ = 82537920. Its totient is φ = 27371904.

The previous prime is 51454229. The next prime is 51454253. The reversal of 51454245 is 54245415.

It is not a de Polignac number, because 51454245 - 2⁴ = 51454229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1942 + ... + 10328.

It is an arithmetic number, because the mean of its divisors is an integer number (5158620).

Almost surely, 2^51454245 is an apocalyptic number.

It is an amenable number.

51454245 is a deficient number, since it is larger than the sum of its proper divisors (31083675).

51454245 is a wasteful number, since it uses less digits than its factorization.

51454245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8804.

The product of its digits is 16000, while the sum is 30.

The square root of 51454245 is about 7173.1614369119. The cubic root of 51454245 is about 371.9407279250.

The spelling of 51454245 in words is "fifty-one million, four hundred fifty-four thousand, two hundred forty-five".