1144770194 has 16 divisors (see below), whose sum is σ = 1723498560. Its totient is φ = 570275760.

The previous prime is 1144770181. The next prime is 1144770199. The reversal of 1144770194 is 4910774411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1144770199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078424 + ... + 1079484.

It is an arithmetic number, because the mean of its divisors is an integer number (107718660).

Almost surely, 2^1144770194 is an apocalyptic number.

1144770194 is a deficient number, since it is larger than the sum of its proper divisors (578728366).

1144770194 is a wasteful number, since it uses less digits than its factorization.

1144770194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 1144770194 is about 33834.4527663741. The cubic root of 1144770194 is about 1046.0989618612.

The spelling of 1144770194 in words is "one billion, one hundred forty-four million, seven hundred seventy thousand, one hundred ninety-four".