45140141 has 4 divisors (see below), whose sum is σ = 45195552. Its totient is φ = 45084732.

The previous prime is 45140119. The next prime is 45140149. The reversal of 45140141 is 14104154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45140141 - 2⁶ = 45140077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45140149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26465 + ... + 28118.

It is an arithmetic number, because the mean of its divisors is an integer number (11298888).

Almost surely, 2^45140141 is an apocalyptic number.

It is an amenable number.

45140141 is a deficient number, since it is larger than the sum of its proper divisors (55411).

45140141 is an equidigital number, since it uses as much as digits as its factorization.

45140141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55410.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 45140141 is about 6718.6413060975. The cubic root of 45140141 is about 356.0581823224.

Adding to 45140141 its reverse (14104154), we get a palindrome (59244295).

The spelling of 45140141 in words is "forty-five million, one hundred forty thousand, one hundred forty-one".