1146615144 has 32 divisors (see below), whose sum is σ = 2920626720. Its totient is φ = 374993216.

The previous prime is 1146615121. The next prime is 1146615179. The reversal of 1146615144 is 4415166411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449442 + ... + 451985.

It is an arithmetic number, because the mean of its divisors is an integer number (91269585).

Almost surely, 2^1146615144 is an apocalyptic number.

It is an amenable number.

1146615144 is an abundant number, since it is smaller than the sum of its proper divisors (1774011576).

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

1146615144 is a wasteful number, since it uses less digits than its factorization.

1146615144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901489 (or 901485 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 1146615144 is about 33861.7061590228. The cubic root of 1146615144 is about 1046.6606362768.

It can be divided in two parts, 114661 and 5144, that added together give a triangular number (119805 = T₄₈₉).

The spelling of 1146615144 in words is "one billion, one hundred forty-six million, six hundred fifteen thousand, one hundred forty-four".