45313251 has 8 divisors (see below), whose sum is σ = 61557840. Its totient is φ = 29638752.

The previous prime is 45313249. The next prime is 45313253. The reversal of 45313251 is 15231354.

It is an interprime number because it is at equal distance from previous prime (45313249) and next prime (45313253).

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

It is not a de Polignac number, because 45313251 - 2¹ = 45313249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45313253) 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, 142336 + ... + 142653.

It is an arithmetic number, because the mean of its divisors is an integer number (7694730).

Almost surely, 2^45313251 is an apocalyptic number.

45313251 is a deficient number, since it is larger than the sum of its proper divisors (16244589).

45313251 is a wasteful number, since it uses less digits than its factorization.

45313251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285045.

The product of its digits is 1800, while the sum is 24.

The square root of 45313251 is about 6731.5117915666. The cubic root of 45313251 is about 356.5127563534.

The spelling of 45313251 in words is "forty-five million, three hundred thirteen thousand, two hundred fifty-one".