1115154342 has 24 divisors (see below), whose sum is σ = 2499485040. Its totient is φ = 358900080.

The previous prime is 1115154331. The next prime is 1115154353. The reversal of 1115154342 is 2434515111.

1115154342 is a `hidden beast` number, since 1 + 115 + 1 + 543 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1115154331) and next prime (1115154353).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1067634 + ... + 1068677.

It is an arithmetic number, because the mean of its divisors is an integer number (104145210).

Almost surely, 2^1115154342 is an apocalyptic number.

1115154342 is an abundant number, since it is smaller than the sum of its proper divisors (1384330698).

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

1115154342 is a wasteful number, since it uses less digits than its factorization.

1115154342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136348 (or 2136345 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 1115154342 is about 33393.9267232831. The cubic root of 1115154342 is about 1036.9989736846.

Adding to 1115154342 its reverse (2434515111), we get a palindrome (3549669453).

The spelling of 1115154342 in words is "one billion, one hundred fifteen million, one hundred fifty-four thousand, three hundred forty-two".