45142252541 has 8 divisors (see below), whose sum is σ = 45511355064. Its totient is φ = 44773724160.

The previous prime is 45142252531. The next prime is 45142252543. The reversal of 45142252541 is 14525224154.

45142252541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 29327932516 + 15814320025 = 171254^2 + 125755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45142252541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45142252543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15071 + ... + 300851.

It is an arithmetic number, because the mean of its divisors is an integer number (5688919383).

Almost surely, 2^45142252541 is an apocalyptic number.

It is an amenable number.

45142252541 is a deficient number, since it is larger than the sum of its proper divisors (369102523).

45142252541 is a wasteful number, since it uses less digits than its factorization.

45142252541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287071.

The product of its digits is 64000, while the sum is 35.

Adding to 45142252541 its reverse (14525224154), we get a palindrome (59667476695).

The spelling of 45142252541 in words is "forty-five billion, one hundred forty-two million, two hundred fifty-two thousand, five hundred forty-one".