1144843692 has 12 divisors (see below), whose sum is σ = 2671301976. Its totient is φ = 381614560.

The previous prime is 1144843681. The next prime is 1144843717. The reversal of 1144843692 is 2963484411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1144843692² = 2621334158224381728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47701809 + ... + 47701832.

It is an arithmetic number, because the mean of its divisors is an integer number (222608498).

Almost surely, 2^1144843692 is an apocalyptic number.

1144843692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144843692 is an abundant number, since it is smaller than the sum of its proper divisors (1526458284).

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

1144843692 is a wasteful number, since it uses less digits than its factorization.

1144843692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95403648 (or 95403646 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 1144843692 is about 33835.5388903443. The cubic root of 1144843692 is about 1046.1213490432.

The spelling of 1144843692 in words is "one billion, one hundred forty-four million, eight hundred forty-three thousand, six hundred ninety-two".