1142402522 has 8 divisors (see below), whose sum is σ = 1720272276. Its totient is φ = 568978432.

The previous prime is 1142402501. The next prime is 1142402537. The reversal of 1142402522 is 2252042411.

It can be written as a sum of positive squares in 2 ways, for example, as 1136296681 + 6105841 = 33709^2 + 2471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110773 + ... + 1111800.

Almost surely, 2^1142402522 is an apocalyptic number.

1142402522 is a deficient number, since it is larger than the sum of its proper divisors (577869754).

1142402522 is a wasteful number, since it uses less digits than its factorization.

1142402522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222832.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1142402522 is about 33799.4455871690. The cubic root of 1142402522 is about 1045.3772657047.

Adding to 1142402522 its reverse (2252042411), we get a palindrome (3394444933).

The spelling of 1142402522 in words is "one billion, one hundred forty-two million, four hundred two thousand, five hundred twenty-two".