45171135 has 32 divisors (see below), whose sum is σ = 82272960. Its totient is φ = 23500800.

The previous prime is 45171127. The next prime is 45171223. The reversal of 45171135 is 53117154.

It is not a de Polignac number, because 45171135 - 2³ = 45171127 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 45171099 and 45171108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1455 + ... + 9615.

It is an arithmetic number, because the mean of its divisors is an integer number (2571030).

Almost surely, 2^45171135 is an apocalyptic number.

45171135 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45171135 is a deficient number, since it is larger than the sum of its proper divisors (37101825).

45171135 is a wasteful number, since it uses less digits than its factorization.

45171135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8216 (or 8210 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 45171135 is about 6720.9474778486. The cubic root of 45171135 is about 356.1396555763.

Adding to 45171135 its reverse (53117154), we get a palindrome (98288289).

The spelling of 45171135 in words is "forty-five million, one hundred seventy-one thousand, one hundred thirty-five".