1155332402 has 16 divisors (see below), whose sum is σ = 1987336512. Its totient is φ = 493450800.

The previous prime is 1155332351. The next prime is 1155332413. The reversal of 1155332402 is 2042335511.

It is a happy number.

It is a super-2 number, since 2×1155332402² = 2669585918222179208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136724 + ... + 144927.

It is an arithmetic number, because the mean of its divisors is an integer number (124208532).

Almost surely, 2^1155332402 is an apocalyptic number.

1155332402 is a deficient number, since it is larger than the sum of its proper divisors (832004110).

1155332402 is a wasteful number, since it uses less digits than its factorization.

1155332402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281953.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1155332402 is about 33990.1809645080. The cubic root of 1155332402 is about 1049.3063905934.

Adding to 1155332402 its reverse (2042335511), we get a palindrome (3197667913).

The spelling of 1155332402 in words is "one billion, one hundred fifty-five million, three hundred thirty-two thousand, four hundred two".