1845189053 has 8 divisors (see below), whose sum is σ = 1927147200. Its totient is φ = 1763375328.

The previous prime is 1845189041. The next prime is 1845189067. The reversal of 1845189053 is 3509815481.

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 1845189053 - 2¹⁶ = 1845123517 is a prime.

It is a super-2 number, since 2×1845189053² = 6809445282622073618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1845188995 and 1845189013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1845189013) 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, 9563 + ... + 61496.

It is an arithmetic number, because the mean of its divisors is an integer number (240893400).

Almost surely, 2^1845189053 is an apocalyptic number.

It is an amenable number.

1845189053 is a deficient number, since it is larger than the sum of its proper divisors (81958147).

1845189053 is a wasteful number, since it uses less digits than its factorization.

1845189053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72211.

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 1845189053 is about 42955.6638058359. The cubic root of 1845189053 is about 1226.5359720736.

The spelling of 1845189053 in words is "one billion, eight hundred forty-five million, one hundred eighty-nine thousand, fifty-three".