45181044 has 24 divisors (see below), whose sum is σ = 117136320. Its totient is φ = 15060312.

The previous prime is 45181027. The next prime is 45181051. The reversal of 45181044 is 44018154.

It is a happy number.

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 = 45180999 and 45181017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209064 + ... + 209279.

It is an arithmetic number, because the mean of its divisors is an integer number (4880680).

Almost surely, 2^45181044 is an apocalyptic number.

It is an amenable number.

45181044 is an abundant number, since it is smaller than the sum of its proper divisors (71955276).

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

45181044 is a wasteful number, since it uses less digits than its factorization.

45181044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418356 (or 418348 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 45181044 is about 6721.6846102744. The cubic root of 45181044 is about 356.1656952868.

Adding to 45181044 its reverse (44018154), we get a palindrome (89199198).

The spelling of 45181044 in words is "forty-five million, one hundred eighty-one thousand, forty-four".