1146148972 has 24 divisors (see below), whose sum is σ = 2100736512. Its totient is φ = 546123600.

The previous prime is 1146148931. The next prime is 1146148979. The reversal of 1146148972 is 2798416411.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1146148979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1947 + ... + 47917.

It is an arithmetic number, because the mean of its divisors is an integer number (87530688).

Almost surely, 2^1146148972 is an apocalyptic number.

It is an amenable number.

1146148972 is a deficient number, since it is larger than the sum of its proper divisors (954587540).

1146148972 is a wasteful number, since it uses less digits than its factorization.

1146148972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46269 (or 46267 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 1146148972 is about 33854.8219903753. The cubic root of 1146148972 is about 1046.5187723383.

The spelling of 1146148972 in words is "one billion, one hundred forty-six million, one hundred forty-eight thousand, nine hundred seventy-two".