1845057672241 has 45 divisors (see below), whose sum is σ = 2273246002521. Its totient is φ = 1497215423592.

The previous prime is 1845057672191. The next prime is 1845057672253. The reversal of 1845057672241 is 1422767505481.

The square root of 1845057672241 is 1358329.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1845057672241 - 2¹⁵ = 1845057639473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1845057682241) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1264603570 + ... + 1264605028.

Almost surely, 2^{1845057672241} is an apocalyptic number.

1845057672241 is the 1358329-th square number.

1845057672241 is the 679165-th centered octagonal number.

It is an amenable number.

1845057672241 is a deficient number, since it is larger than the sum of its proper divisors (428188330280).

1845057672241 is an frugal number, since it uses more digits than its factorization.

1845057672241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 1845057672241 in words is "one trillion, eight hundred forty-five billion, fifty-seven million, six hundred seventy-two thousand, two hundred forty-one".