1852545492 has 144 divisors (see below), whose sum is σ = 5729697792. Its totient is φ = 512166240.

The previous prime is 1852545469. The next prime is 1852545493. The reversal of 1852545492 is 2945452581.

1852545492 is a `hidden beast` number, since 1 + 8 + 52 + 54 + 549 + 2 = 666.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1852545493) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 206533 + ... + 215315.

It is an arithmetic number, because the mean of its divisors is an integer number (39789568).

Almost surely, 2^1852545492 is an apocalyptic number.

1852545492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1852545492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2864848896).

1852545492 is an abundant number, since it is smaller than the sum of its proper divisors (3877152300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1852545492 is a wasteful number, since it uses less digits than its factorization.

1852545492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8840 (or 8826 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 1852545492 is about 43041.2069068701. The cubic root of 1852545492 is about 1228.1638039368.

The spelling of 1852545492 in words is "one billion, eight hundred fifty-two million, five hundred forty-five thousand, four hundred ninety-two".