1154664394 has 8 divisors (see below), whose sum is σ = 1865227140. Its totient is φ = 532922016.

The previous prime is 1154664383. The next prime is 1154664403. The reversal of 1154664394 is 4934664511.

It can be written as a sum of positive squares in 2 ways, for example, as 977375169 + 177289225 = 31263^2 + 13315^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1154664394.

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, 22205059 + ... + 22205110.

Almost surely, 2^1154664394 is an apocalyptic number.

1154664394 is a deficient number, since it is larger than the sum of its proper divisors (710562746).

1154664394 is a wasteful number, since it uses less digits than its factorization.

1154664394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44410184.

The product of its digits is 311040, while the sum is 43.

The square root of 1154664394 is about 33980.3530587897. The cubic root of 1154664394 is about 1049.1041168581.

The spelling of 1154664394 in words is "one billion, one hundred fifty-four million, six hundred sixty-four thousand, three hundred ninety-four".