45163261 has 32 divisors (see below), whose sum is σ = 55520640. Its totient is φ = 36192000.

The previous prime is 45163243. The next prime is 45163267. The reversal of 45163261 is 16236154.

It is not a de Polignac number, because 45163261 - 2⁹ = 45162749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45163267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447111 + ... + 447211.

It is an arithmetic number, because the mean of its divisors is an integer number (1735020).

Almost surely, 2^45163261 is an apocalyptic number.

It is an amenable number.

45163261 is a deficient number, since it is larger than the sum of its proper divisors (10357379).

45163261 is a wasteful number, since it uses less digits than its factorization.

45163261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237.

The product of its digits is 4320, while the sum is 28.

The square root of 45163261 is about 6720.3616718150. The cubic root of 45163261 is about 356.1189608959.

It can be divided in two parts, 4516 and 3261, that added together give a palindrome (7777).

The spelling of 45163261 in words is "forty-five million, one hundred sixty-three thousand, two hundred sixty-one".