45417251 has 8 divisors (see below), whose sum is σ = 52460784. Its totient is φ = 38859520.

The previous prime is 45417233. The next prime is 45417257. The reversal of 45417251 is 15271454.

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 45417251 - 2¹⁰ = 45416227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45417257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121250 + ... + 121623.

It is an arithmetic number, because the mean of its divisors is an integer number (6557598).

Almost surely, 2^45417251 is an apocalyptic number.

45417251 is a deficient number, since it is larger than the sum of its proper divisors (7043533).

45417251 is a wasteful number, since it uses less digits than its factorization.

45417251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242901.

The product of its digits is 5600, while the sum is 29.

The square root of 45417251 is about 6739.2322263000. The cubic root of 45417251 is about 356.7852961818.

The spelling of 45417251 in words is "forty-five million, four hundred seventeen thousand, two hundred fifty-one".