45242141 has 6 divisors (see below), whose sum is σ = 52628670. Its totient is φ = 38778936.

The previous prime is 45242111. The next prime is 45242143. The reversal of 45242141 is 14124254.

It can be written as a sum of positive squares in only one way, i.e., 30580900 + 14661241 = 5530^2 + 3829^2 .

It is a de Polignac number, because none of the positive numbers 2^k-45242141 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 (45242143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 461606 + ... + 461703.

It is an arithmetic number, because the mean of its divisors is an integer number (8771445).

Almost surely, 2^45242141 is an apocalyptic number.

It is an amenable number.

45242141 is a deficient number, since it is larger than the sum of its proper divisors (7386529).

45242141 is an equidigital number, since it uses as much as digits as its factorization.

45242141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923323 (or 923316 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 45242141 is about 6726.2278433012. The cubic root of 45242141 is about 356.3261671141.

Adding to 45242141 its reverse (14124254), we get a palindrome (59366395).

The spelling of 45242141 in words is "forty-five million, two hundred forty-two thousand, one hundred forty-one".