1153553452 has 6 divisors (see below), whose sum is σ = 2018718548. Its totient is φ = 576776724.

The previous prime is 1153553419. The next prime is 1153553483. The reversal of 1153553452 is 2543553511.

It is a super-2 number, since 2×1153553452² = 2661371133242232608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144194178 + ... + 144194185.

Almost surely, 2^1153553452 is an apocalyptic number.

It is an amenable number.

1153553452 is a deficient number, since it is larger than the sum of its proper divisors (865165096).

1153553452 is a wasteful number, since it uses less digits than its factorization.

1153553452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288388367 (or 288388365 counting only the distinct ones).

The product of its digits is 45000, while the sum is 34.

The square root of 1153553452 is about 33964.0022965492. The cubic root of 1153553452 is about 1048.7675492751.

The spelling of 1153553452 in words is "one billion, one hundred fifty-three million, five hundred fifty-three thousand, four hundred fifty-two".