126442145 has 16 divisors (see below), whose sum is σ = 156340800. Its totient is φ = 98113344.

The previous prime is 126442139. The next prime is 126442163. The reversal of 126442145 is 541244621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126442145 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30062 + ... + 34008.

It is an arithmetic number, because the mean of its divisors is an integer number (9771300).

Almost surely, 2^126442145 is an apocalyptic number.

It is an amenable number.

126442145 is a deficient number, since it is larger than the sum of its proper divisors (29898655).

126442145 is a wasteful number, since it uses less digits than its factorization.

126442145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144.

The product of its digits is 7680, while the sum is 29.

The square root of 126442145 is about 11244.6496165954. The cubic root of 126442145 is about 501.9155122544.

Adding to 126442145 its reverse (541244621), we get a palindrome (667686766).

The spelling of 126442145 in words is "one hundred twenty-six million, four hundred forty-two thousand, one hundred forty-five".