1149633342 has 144 divisors (see below), whose sum is σ = 3105145680. Its totient is φ = 304508160.

The previous prime is 1149633299. The next prime is 1149633421. The reversal of 1149633342 is 2433369411.

1149633342 is a `hidden beast` number, since 1 + 14 + 9 + 633 + 3 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1149633297 and 1149633306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 536898 + ... + 539034.

Almost surely, 2^1149633342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149633342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552572840).

1149633342 is an abundant number, since it is smaller than the sum of its proper divisors (1955512338).

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

1149633342 is a wasteful number, since it uses less digits than its factorization.

1149633342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199 (or 2185 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 1149633342 is about 33906.2434073726. The cubic root of 1149633342 is about 1047.5781953197.

The spelling of 1149633342 in words is "one billion, one hundred forty-nine million, six hundred thirty-three thousand, three hundred forty-two".