1522452142 has 4 divisors (see below), whose sum is σ = 2283678216. Its totient is φ = 761226070.

The previous prime is 1522452137. The next prime is 1522452181. The reversal of 1522452142 is 2412542251.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1522452142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380613034 + ... + 380613037.

It is an arithmetic number, because the mean of its divisors is an integer number (570919554).

Almost surely, 2^1522452142 is an apocalyptic number.

1522452142 is a deficient number, since it is larger than the sum of its proper divisors (761226074).

1522452142 is an equidigital number, since it uses as much as digits as its factorization.

1522452142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761226073.

The product of its digits is 6400, while the sum is 28.

The square root of 1522452142 is about 39018.6127636542. The cubic root of 1522452142 is about 1150.3973779837.

Adding to 1522452142 its reverse (2412542251), we get a palindrome (3934994393).

The spelling of 1522452142 in words is "one billion, five hundred twenty-two million, four hundred fifty-two thousand, one hundred forty-two".