45251315 has 8 divisors (see below), whose sum is σ = 54542160. Its totient is φ = 36040672.

The previous prime is 45251303. The next prime is 45251317. The reversal of 45251315 is 51315254.

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 45251315 - 2¹² = 45247219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45251317) 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, 18800 + ... + 21069.

It is an arithmetic number, because the mean of its divisors is an integer number (6817770).

Almost surely, 2^45251315 is an apocalyptic number.

45251315 is a deficient number, since it is larger than the sum of its proper divisors (9290845).

45251315 is a wasteful number, since it uses less digits than its factorization.

45251315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40101.

The product of its digits is 3000, while the sum is 26.

The square root of 45251315 is about 6726.9097660070. The cubic root of 45251315 is about 356.3502502312.

Adding to 45251315 its reverse (51315254), we get a palindrome (96566569).

The spelling of 45251315 in words is "forty-five million, two hundred fifty-one thousand, three hundred fifteen".