1154144746 has 16 divisors (see below), whose sum is σ = 1756441800. Its totient is φ = 568677888.

The previous prime is 1154144741. The next prime is 1154144777. The reversal of 1154144746 is 6474414511.

It can be written as a sum of positive squares in 4 ways, for example, as 474760521 + 679384225 = 21789^2 + 26065^2 .

It is not an unprimeable number, because it can be changed into a prime (1154144741) 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, 214740 + ... + 220048.

Almost surely, 2^1154144746 is an apocalyptic number.

1154144746 is a deficient number, since it is larger than the sum of its proper divisors (602297054).

1154144746 is a wasteful number, since it uses less digits than its factorization.

1154144746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6873.

The product of its digits is 53760, while the sum is 37.

The square root of 1154144746 is about 33972.7058975290. The cubic root of 1154144746 is about 1048.9467127784.

The spelling of 1154144746 in words is "one billion, one hundred fifty-four million, one hundred forty-four thousand, seven hundred forty-six".