244320142 has 32 divisors (see below), whose sum is σ = 409243104. Its totient is φ = 108451200.

The previous prime is 244320119. The next prime is 244320203. The reversal of 244320142 is 241023442.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369292 + ... + 369952.

It is an arithmetic number, because the mean of its divisors is an integer number (12788847).

Almost surely, 2^244320142 is an apocalyptic number.

244320142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

244320142 is a deficient number, since it is larger than the sum of its proper divisors (164922962).

244320142 is a wasteful number, since it uses less digits than its factorization.

244320142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 244320142 is about 15630.7434883949. The cubic root of 244320142 is about 625.1531503089.

Adding to 244320142 its reverse (241023442), we get a palindrome (485343584).

The spelling of 244320142 in words is "two hundred forty-four million, three hundred twenty thousand, one hundred forty-two".