1146555156 has 12 divisors (see below), whose sum is σ = 2675295392. Its totient is φ = 382185048.

The previous prime is 1146555127. The next prime is 1146555167. The reversal of 1146555156 is 6515556411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 47773120 + ... + 47773143.

Almost surely, 2^1146555156 is an apocalyptic number.

It is an amenable number.

1146555156 is an abundant number, since it is smaller than the sum of its proper divisors (1528740236).

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

1146555156 is a wasteful number, since it uses less digits than its factorization.

1146555156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95546270 (or 95546268 counting only the distinct ones).

The product of its digits is 90000, while the sum is 39.

The square root of 1146555156 is about 33860.8203680891. The cubic root of 1146555156 is about 1046.6423830807.

The spelling of 1146555156 in words is "one billion, one hundred forty-six million, five hundred fifty-five thousand, one hundred fifty-six".