1155040150 has 48 divisors (see below), whose sum is σ = 2360942640. Its totient is φ = 416921600.

The previous prime is 1155040123. The next prime is 1155040171. The reversal of 1155040150 is 510405511.

It is a happy number.

It is a super-2 number, since 2×1155040150² = 2668235496224045000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67686 + ... + 83014.

It is an arithmetic number, because the mean of its divisors is an integer number (49186305).

Almost surely, 2^1155040150 is an apocalyptic number.

1155040150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155040150 is an abundant number, since it is smaller than the sum of its proper divisors (1205902490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155040150 is a wasteful number, since it uses less digits than its factorization.

1155040150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15489 (or 15484 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1155040150 is about 33985.8816275229. The cubic root of 1155040150 is about 1049.2179058848.

Adding to 1155040150 its reverse (510405511), we get a palindrome (1665445661).

The spelling of 1155040150 in words is "one billion, one hundred fifty-five million, forty thousand, one hundred fifty".