45271518 has 32 divisors (see below), whose sum is σ = 93177216. Its totient is φ = 14655648.

The previous prime is 45271489. The next prime is 45271519. The reversal of 45271518 is 81517254.

It is a super-3 number, since 3×45271518³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45271519) 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, 58180 + ... + 58952.

It is an arithmetic number, because the mean of its divisors is an integer number (2911788).

Almost surely, 2^45271518 is an apocalyptic number.

45271518 is an abundant number, since it is smaller than the sum of its proper divisors (47905698).

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

45271518 is a wasteful number, since it uses less digits than its factorization.

45271518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048.

The product of its digits is 11200, while the sum is 33.

The square root of 45271518 is about 6728.4112537805. The cubic root of 45271518 is about 356.4032746421.

The spelling of 45271518 in words is "forty-five million, two hundred seventy-one thousand, five hundred eighteen".