1142430330 has 16 divisors (see below), whose sum is σ = 2741832864. Its totient is φ = 304648080.

The previous prime is 1142430319. The next prime is 1142430349. The reversal of 1142430330 is 330342411.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1142430297 and 1142430306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19040476 + ... + 19040535.

It is an arithmetic number, because the mean of its divisors is an integer number (171364554).

Almost surely, 2^1142430330 is an apocalyptic number.

1142430330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142430330 is an abundant number, since it is smaller than the sum of its proper divisors (1599402534).

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

1142430330 is a wasteful number, since it uses less digits than its factorization.

1142430330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38081021.

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

The square root of 1142430330 is about 33799.8569523600. The cubic root of 1142430330 is about 1045.3857477166.

Adding to 1142430330 its reverse (330342411), we get a palindrome (1472772741).

The spelling of 1142430330 in words is "one billion, one hundred forty-two million, four hundred thirty thousand, three hundred thirty".