45549915 has 8 divisors (see below), whose sum is σ = 72879888. Its totient is φ = 24293280.

The previous prime is 45549853. The next prime is 45549971. The reversal of 45549915 is 51994554.

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

It is not a de Polignac number, because 45549915 - 2¹⁰ = 45548891 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1518316 + ... + 1518345.

It is an arithmetic number, because the mean of its divisors is an integer number (9109986).

Almost surely, 2^45549915 is an apocalyptic number.

45549915 is a deficient number, since it is larger than the sum of its proper divisors (27329973).

45549915 is a wasteful number, since it uses less digits than its factorization.

45549915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036669.

The product of its digits is 162000, while the sum is 42.

The square root of 45549915 is about 6749.0677133957. The cubic root of 45549915 is about 357.1323489861.

It can be divided in two parts, 45549 and 915, that added together give a palindrome (46464).

The spelling of 45549915 in words is "forty-five million, five hundred forty-nine thousand, nine hundred fifteen".