45493155 has 24 divisors (see below), whose sum is σ = 79046448. Its totient is φ = 24204096.

The previous prime is 45493153. The next prime is 45493157. The reversal of 45493155 is 55139454.

It is an interprime number because it is at equal distance from previous prime (45493153) and next prime (45493157).

It is not a de Polignac number, because 45493155 - 2¹ = 45493153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45493153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22569 + ... + 24501.

It is an arithmetic number, because the mean of its divisors is an integer number (3293602).

Almost surely, 2^45493155 is an apocalyptic number.

45493155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45493155 is a deficient number, since it is larger than the sum of its proper divisors (33553293).

45493155 is a wasteful number, since it uses less digits than its factorization.

45493155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467 (or 2464 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 45493155 is about 6744.8613773746. The cubic root of 45493155 is about 356.9839457978.

The spelling of 45493155 in words is "forty-five million, four hundred ninety-three thousand, one hundred fifty-five".