1154644364 has 12 divisors (see below), whose sum is σ = 2126976600. Its totient is φ = 546936768.

The previous prime is 1154644343. The next prime is 1154644373. The reversal of 1154644364 is 4634464511.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7596269 + ... + 7596420.

It is an arithmetic number, because the mean of its divisors is an integer number (177248050).

Almost surely, 2^1154644364 is an apocalyptic number.

It is an amenable number.

1154644364 is a deficient number, since it is larger than the sum of its proper divisors (972332236).

1154644364 is a wasteful number, since it uses less digits than its factorization.

1154644364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15192712 (or 15192710 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 1154644364 is about 33980.0583283784. The cubic root of 1154644364 is about 1049.0980505422.

The spelling of 1154644364 in words is "one billion, one hundred fifty-four million, six hundred forty-four thousand, three hundred sixty-four".