1146161154 has 16 divisors (see below), whose sum is σ = 2292972192. Its totient is φ = 381945408.

The previous prime is 1146161141. The next prime is 1146161179. The reversal of 1146161154 is 4511616411.

It is a super-2 number, since 2×1146161154² = 2627370781877223432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2424 + ... + 47939.

It is an arithmetic number, because the mean of its divisors is an integer number (143310762).

Almost surely, 2^1146161154 is an apocalyptic number.

1146161154 is an abundant number, since it is smaller than the sum of its proper divisors (1146811038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1146161154 is a wasteful number, since it uses less digits than its factorization.

1146161154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54161.

The product of its digits is 2880, while the sum is 30.

The square root of 1146161154 is about 33855.0019051838. The cubic root of 1146161154 is about 1046.5224800141.

Adding to 1146161154 its reverse (4511616411), we get a palindrome (5657777565).

The spelling of 1146161154 in words is "one billion, one hundred forty-six million, one hundred sixty-one thousand, one hundred fifty-four".