45271155 has 16 divisors (see below), whose sum is σ = 72533664. Its totient is φ = 24111360.

The previous prime is 45271151. The next prime is 45271181. The reversal of 45271155 is 55117254.

45271155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45271155 - 2² = 45271151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45271151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12445 + ... + 15665.

It is an arithmetic number, because the mean of its divisors is an integer number (4533354).

Almost surely, 2^45271155 is an apocalyptic number.

45271155 is a deficient number, since it is larger than the sum of its proper divisors (27262509).

45271155 is a wasteful number, since it uses less digits than its factorization.

45271155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4166.

The product of its digits is 7000, while the sum is 30.

The square root of 45271155 is about 6728.3842785620. The cubic root of 45271155 is about 356.4023220583.

The spelling of 45271155 in words is "forty-five million, two hundred seventy-one thousand, one hundred fifty-five".