45340155 has 56 divisors (see below), whose sum is σ = 93280992. Its totient is φ = 20715264.

The previous prime is 45340151. The next prime is 45340157. The reversal of 45340155 is 55104354.

It is not a de Polignac number, because 45340155 - 2² = 45340151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (45340151) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 24627 + ... + 26403.

It is an arithmetic number, because the mean of its divisors is an integer number (1665732).

Almost surely, 2^45340155 is an apocalyptic number.

45340155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45340155 is an abundant number, since it is smaller than the sum of its proper divisors (47940837).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45340155 is an equidigital number, since it uses as much as digits as its factorization.

45340155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 45340155 is about 6733.5098574221. The cubic root of 45340155 is about 356.5833002622.

The spelling of 45340155 in words is "forty-five million, three hundred forty thousand, one hundred fifty-five".