45193155 has 16 divisors (see below), whose sum is σ = 82639104. Its totient is φ = 20659680.

The previous prime is 45193151. The next prime is 45193177. The reversal of 45193155 is 55139154.

It is not a de Polignac number, because 45193155 - 2² = 45193151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45193151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215101 + ... + 215310.

It is an arithmetic number, because the mean of its divisors is an integer number (5164944).

Almost surely, 2^45193155 is an apocalyptic number.

45193155 is a deficient number, since it is larger than the sum of its proper divisors (37445949).

45193155 is a wasteful number, since it uses less digits than its factorization.

45193155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430426.

The product of its digits is 13500, while the sum is 33.

The square root of 45193155 is about 6722.5854401413. The cubic root of 45193155 is about 356.1975164297.

The spelling of 45193155 in words is "forty-five million, one hundred ninety-three thousand, one hundred fifty-five".