244667142 has 80 divisors (see below), whose sum is σ = 597207600. Its totient is φ = 74571840.

The previous prime is 244667107. The next prime is 244667149. The reversal of 244667142 is 241766442.

It is a junction number, because it is equal to n+sod(n) for n = 244667097 and 244667106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244667149) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 87892 + ... + 90632.

It is an arithmetic number, because the mean of its divisors is an integer number (7465095).

Almost surely, 2^244667142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244667142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298603800).

244667142 is an abundant number, since it is smaller than the sum of its proper divisors (352540458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244667142 is a wasteful number, since it uses less digits than its factorization.

244667142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803 (or 2794 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 244667142 is about 15641.8394698322. The cubic root of 244667142 is about 625.4489719082.

The spelling of 244667142 in words is "two hundred forty-four million, six hundred sixty-seven thousand, one hundred forty-two".