28442150 has 24 divisors (see below), whose sum is σ = 57712824. Its totient is φ = 10342400.

The previous prime is 28442149. The next prime is 28442153. The reversal of 28442150 is 5124482.

It is a happy number.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28442153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25307 + ... + 26406.

It is an arithmetic number, because the mean of its divisors is an integer number (2404701).

Almost surely, 2^28442150 is an apocalyptic number.

28442150 is an abundant number, since it is smaller than the sum of its proper divisors (29270674).

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

28442150 is a wasteful number, since it uses less digits than its factorization.

28442150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51736 (or 51731 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 28442150 is about 5333.1182248287. The cubic root of 28442150 is about 305.2489233667.

It can be divided in two parts, 2844 and 2150, that added together give a palindrome (4994).

The spelling of 28442150 in words is "twenty-eight million, four hundred forty-two thousand, one hundred fifty".