1149243790 has 16 divisors (see below), whose sum is σ = 2069310240. Its totient is φ = 459548320.

The previous prime is 1149243773. The next prime is 1149243827. The reversal of 1149243790 is 973429411.

It is a super-2 number, since 2×1149243790² = 2641522577707128200, which contains 22 as substring.

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, 16935 + ... + 50845.

It is an arithmetic number, because the mean of its divisors is an integer number (129331890).

Almost surely, 2^1149243790 is an apocalyptic number.

1149243790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1149243790 is a deficient number, since it is larger than the sum of its proper divisors (920066450).

1149243790 is a wasteful number, since it uses less digits than its factorization.

1149243790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37307.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1149243790 is about 33900.4983739177. The cubic root of 1149243790 is about 1047.4598583775.

The spelling of 1149243790 in words is "one billion, one hundred forty-nine million, two hundred forty-three thousand, seven hundred ninety".