1144799790 has 16 divisors (see below), whose sum is σ = 2747519568. Its totient is φ = 305279936.

The previous prime is 1144799779. The next prime is 1144799801. The reversal of 1144799790 is 979974411.

It is an interprime number because it is at equal distance from previous prime (1144799779) and next prime (1144799801).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19079967 + ... + 19080026.

It is an arithmetic number, because the mean of its divisors is an integer number (171719973).

Almost surely, 2^1144799790 is an apocalyptic number.

1144799790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144799790 is an abundant number, since it is smaller than the sum of its proper divisors (1602719778).

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

1144799790 is a wasteful number, since it uses less digits than its factorization.

1144799790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38160003.

The product of its (nonzero) digits is 571536, while the sum is 51.

The square root of 1144799790 is about 33834.8901283867. The cubic root of 1144799790 is about 1046.1079767937.

The spelling of 1144799790 in words is "one billion, one hundred forty-four million, seven hundred ninety-nine thousand, seven hundred ninety".