1155315154 has 8 divisors (see below), whose sum is σ = 1980540288. Its totient is φ = 495135060.

The previous prime is 1155315151. The next prime is 1155315163. The reversal of 1155315154 is 4515135511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1155315151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41261242 + ... + 41261269.

It is an arithmetic number, because the mean of its divisors is an integer number (247567536).

Almost surely, 2^1155315154 is an apocalyptic number.

1155315154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1155315154 is a deficient number, since it is larger than the sum of its proper divisors (825225134).

1155315154 is an equidigital number, since it uses as much as digits as its factorization.

1155315154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82522520.

The product of its digits is 7500, while the sum is 31.

The square root of 1155315154 is about 33989.9272432290. The cubic root of 1155315154 is about 1049.3011688561.

The spelling of 1155315154 in words is "one billion, one hundred fifty-five million, three hundred fifteen thousand, one hundred fifty-four".