1161233452 has 6 divisors (see below), whose sum is σ = 2032158548. Its totient is φ = 580616724.

The previous prime is 1161233429. The next prime is 1161233497. The reversal of 1161233452 is 2543321611.

It is a self number, because there is not a number n which added to its sum of digits gives 1161233452.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145154178 + ... + 145154185.

Almost surely, 2^1161233452 is an apocalyptic number.

It is an amenable number.

1161233452 is a deficient number, since it is larger than the sum of its proper divisors (870925096).

1161233452 is a wasteful number, since it uses less digits than its factorization.

1161233452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290308367 (or 290308365 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 1161233452 is about 34076.8756196926. The cubic root of 1161233452 is about 1051.0898591557.

The spelling of 1161233452 in words is "one billion, one hundred sixty-one million, two hundred thirty-three thousand, four hundred fifty-two".