1142402330 has 16 divisors (see below), whose sum is σ = 2057676264. Its totient is φ = 456660480.

The previous prime is 1142402323. The next prime is 1142402347. The reversal of 1142402330 is 332042411.

It can be written as a sum of positive squares in 4 ways, for example, as 405659881 + 736742449 = 20141^2 + 27143^2 .

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, 21251 + ... + 52310.

Almost surely, 2^1142402330 is an apocalyptic number.

1142402330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142402330 is a deficient number, since it is larger than the sum of its proper divisors (915273934).

1142402330 is a wasteful number, since it uses less digits than its factorization.

1142402330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75121.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1142402330 is about 33799.4427468856. The cubic root of 1142402330 is about 1045.3772071403.

Adding to 1142402330 its reverse (332042411), we get a palindrome (1474444741).

The spelling of 1142402330 in words is "one billion, one hundred forty-two million, four hundred two thousand, three hundred thirty".