1146623512 has 8 divisors (see below), whose sum is σ = 2149919100. Its totient is φ = 573311752.

The previous prime is 1146623479. The next prime is 1146623519. The reversal of 1146623512 is 2153266411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146623519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71663962 + ... + 71663977.

Almost surely, 2^1146623512 is an apocalyptic number.

It is an amenable number.

1146623512 is a deficient number, since it is larger than the sum of its proper divisors (1003295588).

1146623512 is a wasteful number, since it uses less digits than its factorization.

1146623512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143327945 (or 143327941 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 1146623512 is about 33861.8297202027. The cubic root of 1146623512 is about 1046.6631824479.

Adding to 1146623512 its reverse (2153266411), we get a palindrome (3299889923).

The spelling of 1146623512 in words is "one billion, one hundred forty-six million, six hundred twenty-three thousand, five hundred twelve".