1142151403 has 8 divisors (see below), whose sum is σ = 1155280896. Its totient is φ = 1129089000.

The previous prime is 1142151397. The next prime is 1142151421. The reversal of 1142151403 is 3041512411.

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

It is a de Polignac number, because none of the positive numbers 2^k-1142151403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142151203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17878 + ... + 51028.

It is an arithmetic number, because the mean of its divisors is an integer number (144410112).

Almost surely, 2^1142151403 is an apocalyptic number.

1142151403 is a deficient number, since it is larger than the sum of its proper divisors (13129493).

1142151403 is a wasteful number, since it uses less digits than its factorization.

1142151403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33545.

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

The square root of 1142151403 is about 33795.7305439607. The cubic root of 1142151403 is about 1045.3006630112.

Adding to 1142151403 its reverse (3041512411), we get a palindrome (4183663814).

The spelling of 1142151403 in words is "one billion, one hundred forty-two million, one hundred fifty-one thousand, four hundred three".