1142360146 has 4 divisors (see below), whose sum is σ = 1713540222. Its totient is φ = 571180072.

The previous prime is 1142360143. The next prime is 1142360189. The reversal of 1142360146 is 6410632411.

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

It can be written as a sum of positive squares in only one way, i.e., 955737225 + 186622921 = 30915^2 + 13661^2 .

It is not an unprimeable number, because it can be changed into a prime (1142360143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285590035 + ... + 285590038.

Almost surely, 2^1142360146 is an apocalyptic number.

1142360146 is a deficient number, since it is larger than the sum of its proper divisors (571180076).

1142360146 is an equidigital number, since it uses as much as digits as its factorization.

1142360146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571180075.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1142360146 is about 33798.8187071679. The cubic root of 1142360146 is about 1045.3643398886.

Adding to 1142360146 its reverse (6410632411), we get a palindrome (7552992557).

The spelling of 1142360146 in words is "one billion, one hundred forty-two million, three hundred sixty thousand, one hundred forty-six".