1516242146 has 8 divisors (see below), whose sum is σ = 2274633900. Its totient is φ = 758030848.

The previous prime is 1516242131. The next prime is 1516242151. The reversal of 1516242146 is 6412426151.

It can be written as a sum of positive squares in 2 ways, for example, as 1471873225 + 44368921 = 38365^2 + 6661^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21671 + ... + 59178.

Almost surely, 2^1516242146 is an apocalyptic number.

1516242146 is a deficient number, since it is larger than the sum of its proper divisors (758391754).

1516242146 is an equidigital number, since it uses as much as digits as its factorization.

1516242146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90228.

The product of its digits is 11520, while the sum is 32.

The square root of 1516242146 is about 38938.9540948393. The cubic root of 1516242146 is about 1148.8311112436.

Adding to 1516242146 its reverse (6412426151), we get a palindrome (7928668297).

The spelling of 1516242146 in words is "one billion, five hundred sixteen million, two hundred forty-two thousand, one hundred forty-six".