1155423502 has 16 divisors (see below), whose sum is σ = 1775957040. Its totient is φ = 563476032.

The previous prime is 1155423499. The next prime is 1155423527. The reversal of 1155423502 is 2053245511.

It is a congruent number.

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, 53874 + ... + 72202.

It is an arithmetic number, because the mean of its divisors is an integer number (110997315).

Almost surely, 2^1155423502 is an apocalyptic number.

1155423502 is a deficient number, since it is larger than the sum of its proper divisors (620533538).

1155423502 is a wasteful number, since it uses less digits than its factorization.

1155423502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19107.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1155423502 is about 33991.5210309865. The cubic root of 1155423502 is about 1049.3339697558. Note that the first 3 decimals are identical.

The spelling of 1155423502 in words is "one billion, one hundred fifty-five million, four hundred twenty-three thousand, five hundred two".