101305442 has 24 divisors (see below), whose sum is σ = 178606764. Its totient is φ = 42964992.

The previous prime is 101305417. The next prime is 101305453. The reversal of 101305442 is 244503101.

It can be written as a sum of positive squares in 2 ways, for example, as 92371321 + 8934121 = 9611^2 + 2989^2 .

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 11 ways as a sum of consecutive naturals, for example, 4178 + ... + 14834.

Almost surely, 2^101305442 is an apocalyptic number.

101305442 is a deficient number, since it is larger than the sum of its proper divisors (77301322).

101305442 is a wasteful number, since it uses less digits than its factorization.

101305442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10770 (or 10763 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 101305442 is about 10065.0604568477. The cubic root of 101305442 is about 466.1699325599.

Adding to 101305442 its reverse (244503101), we get a palindrome (345808543).

The spelling of 101305442 in words is "one hundred one million, three hundred five thousand, four hundred forty-two".