1144801692 has 36 divisors (see below), whose sum is σ = 3064029696. Its totient is φ = 359153280.

The previous prime is 1144801681. The next prime is 1144801703. The reversal of 1144801692 is 2961084411.

1144801692 is a `hidden beast` number, since 1 + 14 + 480 + 169 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1144801681) and next prime (1144801703).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 934684 + ... + 935907.

It is an arithmetic number, because the mean of its divisors is an integer number (85111936).

Almost surely, 2^1144801692 is an apocalyptic number.

1144801692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144801692 is an abundant number, since it is smaller than the sum of its proper divisors (1919228004).

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

1144801692 is a wasteful number, since it uses less digits than its factorization.

1144801692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870618 (or 1870613 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1144801692 is about 33834.9182354561. The cubic root of 1144801692 is about 1046.1085561370.

The spelling of 1144801692 in words is "one billion, one hundred forty-four million, eight hundred one thousand, six hundred ninety-two".