1154031142 has 8 divisors (see below), whose sum is σ = 1888414632. Its totient is φ = 524559600.

The previous prime is 1154031127. The next prime is 1154031157. The reversal of 1154031142 is 2411304511.

It is an interprime number because it is at equal distance from previous prime (1154031127) and next prime (1154031157).

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 52455961 = 1154031142 / (1 + 1 + 5 + 4 + 0 + 3 + 1 + 1 + 4 + 2).

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 3 ways as a sum of consecutive naturals, for example, 26227959 + ... + 26228002.

It is an arithmetic number, because the mean of its divisors is an integer number (236051829).

Almost surely, 2^1154031142 is an apocalyptic number.

1154031142 is a deficient number, since it is larger than the sum of its proper divisors (734383490).

1154031142 is a wasteful number, since it uses less digits than its factorization.

1154031142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52455974.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1154031142 is about 33971.0338671051. The cubic root of 1154031142 is about 1048.9122952431.

Adding to 1154031142 its reverse (2411304511), we get a palindrome (3565335653).

The spelling of 1154031142 in words is "one billion, one hundred fifty-four million, thirty-one thousand, one hundred forty-two".