1144774407 has 48 divisors (see below), whose sum is σ = 1926040032. Its totient is φ = 600606720.

The previous prime is 1144774403. The next prime is 1144774447. The reversal of 1144774407 is 7044774411.

It is not a de Polignac number, because 1144774407 - 2² = 1144774403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144774403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96873 + ... + 108045.

It is an arithmetic number, because the mean of its divisors is an integer number (40125834).

Almost surely, 2^1144774407 is an apocalyptic number.

1144774407 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1144774407 is a deficient number, since it is larger than the sum of its proper divisors (781265625).

1144774407 is a wasteful number, since it uses less digits than its factorization.

1144774407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11248 (or 11241 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 1144774407 is about 33834.5150253406. The cubic root of 1144774407 is about 1046.1002451492.

The spelling of 1144774407 in words is "one billion, one hundred forty-four million, seven hundred seventy-four thousand, four hundred seven".