1142403303 has 16 divisors (see below), whose sum is σ = 1549869056. Its totient is φ = 748297440.

The previous prime is 1142403299. The next prime is 1142403337. The reversal of 1142403303 is 3033042411.

It is not a de Polignac number, because 1142403303 - 2² = 1142403299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142403303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142403343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196050 + ... + 201792.

It is an arithmetic number, because the mean of its divisors is an integer number (96866816).

Almost surely, 2^1142403303 is an apocalyptic number.

1142403303 is a deficient number, since it is larger than the sum of its proper divisors (407465753).

1142403303 is a wasteful number, since it uses less digits than its factorization.

1142403303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6894.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1142403303 is about 33799.4571406110. The cubic root of 1142403303 is about 1045.3775039277.

Adding to 1142403303 its reverse (3033042411), we get a palindrome (4175445714).

The spelling of 1142403303 in words is "one billion, one hundred forty-two million, four hundred three thousand, three hundred three".