1144131672 has 16 divisors (see below), whose sum is σ = 2860329240. Its totient is φ = 381377216.

The previous prime is 1144131661. The next prime is 1144131673. The reversal of 1144131672 is 2761314411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144131673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23836053 + ... + 23836100.

Almost surely, 2^1144131672 is an apocalyptic number.

1144131672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144131672 is an abundant number, since it is smaller than the sum of its proper divisors (1716197568).

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

1144131672 is a wasteful number, since it uses less digits than its factorization.

1144131672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47672162 (or 47672158 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 1144131672 is about 33825.0154767149. The cubic root of 1144131672 is about 1045.9044304077.

The spelling of 1144131672 in words is "one billion, one hundred forty-four million, one hundred thirty-one thousand, six hundred seventy-two".