1142340302 has 4 divisors (see below), whose sum is σ = 1713510456. Its totient is φ = 571170150.

The previous prime is 1142340299. The next prime is 1142340307. The reversal of 1142340302 is 2030432411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142340307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285585074 + ... + 285585077.

It is an arithmetic number, because the mean of its divisors is an integer number (428377614).

Almost surely, 2^1142340302 is an apocalyptic number.

1142340302 is a deficient number, since it is larger than the sum of its proper divisors (571170154).

1142340302 is an equidigital number, since it uses as much as digits as its factorization.

1142340302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571170153.

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

The square root of 1142340302 is about 33798.5251453373. The cubic root of 1142340302 is about 1045.3582868267.

Adding to 1142340302 its reverse (2030432411), we get a palindrome (3172772713).

The spelling of 1142340302 in words is "one billion, one hundred forty-two million, three hundred forty thousand, three hundred two".