1442525137 has 2 divisors, whose sum is σ = 1442525138. Its totient is φ = 1442525136.

The previous prime is 1442525131. The next prime is 1442525167. The reversal of 1442525137 is 7315252441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1196537281 + 245987856 = 34591^2 + 15684^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442525137 - 2³ = 1442525129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442525131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721262568 + 721262569.

It is an arithmetic number, because the mean of its divisors is an integer number (721262569).

Almost surely, 2^1442525137 is an apocalyptic number.

It is an amenable number.

1442525137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442525137 is an equidigital number, since it uses as much as digits as its factorization.

1442525137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 34.

The square root of 1442525137 is about 37980.5889501466. The cubic root of 1442525137 is about 1129.9029172344.

Adding to 1442525137 its reverse (7315252441), we get a palindrome (8757777578).

The spelling of 1442525137 in words is "one billion, four hundred forty-two million, five hundred twenty-five thousand, one hundred thirty-seven".