1142402342 has 4 divisors (see below), whose sum is σ = 1713603516. Its totient is φ = 571201170.

The previous prime is 1142402323. The next prime is 1142402347. The reversal of 1142402342 is 2432042411.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1142402342² = 2610166222014169928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142402347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285600584 + ... + 285600587.

It is an arithmetic number, because the mean of its divisors is an integer number (428400879).

Almost surely, 2^1142402342 is an apocalyptic number.

1142402342 is a deficient number, since it is larger than the sum of its proper divisors (571201174).

1142402342 is an equidigital number, since it uses as much as digits as its factorization.

1142402342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571201173.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1142402342 is about 33799.4429244034. The cubic root of 1142402342 is about 1045.3772108006.

Adding to 1142402342 its reverse (2432042411), we get a palindrome (3574444753).

The spelling of 1142402342 in words is "one billion, one hundred forty-two million, four hundred two thousand, three hundred forty-two".