1149111452 has 6 divisors (see below), whose sum is σ = 2010945048. Its totient is φ = 574555724.

The previous prime is 1149111451. The next prime is 1149111517. The reversal of 1149111452 is 2541119411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149111451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143638928 + ... + 143638935.

It is an arithmetic number, because the mean of its divisors is an integer number (335157508).

Almost surely, 2^1149111452 is an apocalyptic number.

It is an amenable number.

1149111452 is a deficient number, since it is larger than the sum of its proper divisors (861833596).

1149111452 is a wasteful number, since it uses less digits than its factorization.

1149111452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287277867 (or 287277865 counting only the distinct ones).

The product of its digits is 1440, while the sum is 29.

The square root of 1149111452 is about 33898.5464585135. The cubic root of 1149111452 is about 1047.4196510501.

The spelling of 1149111452 in words is "one billion, one hundred forty-nine million, one hundred eleven thousand, four hundred fifty-two".