45240115 has 8 divisors (see below), whose sum is σ = 54769248. Its totient is φ = 35871360.

The previous prime is 45240109. The next prime is 45240119. The reversal of 45240115 is 51104254.

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

It is not a de Polignac number, because 45240115 - 2¹⁵ = 45207347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45240119) 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, 39471 + ... + 40600.

It is an arithmetic number, because the mean of its divisors is an integer number (6846156).

Almost surely, 2^45240115 is an apocalyptic number.

45240115 is a deficient number, since it is larger than the sum of its proper divisors (9529133).

45240115 is a wasteful number, since it uses less digits than its factorization.

45240115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80189.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 45240115 is about 6726.0772371420. The cubic root of 45240115 is about 356.3208481234.

Adding to 45240115 its reverse (51104254), we get a palindrome (96344369).

The spelling of 45240115 in words is "forty-five million, two hundred forty thousand, one hundred fifteen".