244820152 has 8 divisors (see below), whose sum is σ = 459037800. Its totient is φ = 122410072.

The previous prime is 244820137. The next prime is 244820153. The reversal of 244820152 is 251028442.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 244820152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244820153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15301252 + ... + 15301267.

It is an arithmetic number, because the mean of its divisors is an integer number (57379725).

Almost surely, 2^244820152 is an apocalyptic number.

It is an amenable number.

244820152 is a deficient number, since it is larger than the sum of its proper divisors (214217648).

244820152 is a wasteful number, since it uses less digits than its factorization.

244820152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30602525 (or 30602521 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 244820152 is about 15646.7297541691. The cubic root of 244820152 is about 625.5793258845.

Adding to 244820152 its reverse (251028442), we get a palindrome (495848594).

The spelling of 244820152 in words is "two hundred forty-four million, eight hundred twenty thousand, one hundred fifty-two".