45781141 has 12 divisors (see below), whose sum is σ = 54975360. Its totient is φ = 37973880.

The previous prime is 45781123. The next prime is 45781157. The reversal of 45781141 is 14118754.

It is not a de Polignac number, because 45781141 - 2¹¹ = 45779093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45781121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13551 + ... + 16588.

It is an arithmetic number, because the mean of its divisors is an integer number (4581280).

Almost surely, 2^45781141 is an apocalyptic number.

It is an amenable number.

45781141 is a deficient number, since it is larger than the sum of its proper divisors (9194219).

45781141 is a wasteful number, since it uses less digits than its factorization.

45781141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30184 (or 30177 counting only the distinct ones).

The product of its digits is 4480, while the sum is 31.

The square root of 45781141 is about 6766.1762465960. The cubic root of 45781141 is about 357.7356354830.

Adding to 45781141 its reverse (14118754), we get a palindrome (59899895).

The spelling of 45781141 in words is "forty-five million, seven hundred eighty-one thousand, one hundred forty-one".