45243137261 has 8 divisors (see below), whose sum is σ = 51710472000. Its totient is φ = 38776809888.

The previous prime is 45243137257. The next prime is 45243137309. The reversal of 45243137261 is 16273134254.

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

It is a cyclic number.

It is not a de Polignac number, because 45243137261 - 2² = 45243137257 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 (45243137861) 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, 153011 + ... + 337488.

It is an arithmetic number, because the mean of its divisors is an integer number (6463809000).

Almost surely, 2^45243137261 is an apocalyptic number.

It is an amenable number.

45243137261 is a deficient number, since it is larger than the sum of its proper divisors (6467334739).

45243137261 is a wasteful number, since it uses less digits than its factorization.

45243137261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503683.

The product of its digits is 120960, while the sum is 38.

The spelling of 45243137261 in words is "forty-five billion, two hundred forty-three million, one hundred thirty-seven thousand, two hundred sixty-one".