28446154 has 16 divisors (see below), whose sum is σ = 48998880. Its totient is φ = 12249360.

The previous prime is 28446137. The next prime is 28446161. The reversal of 28446154 is 45164482.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33609 + ... + 34444.

It is an arithmetic number, because the mean of its divisors is an integer number (3062430).

Almost surely, 2^28446154 is an apocalyptic number.

28446154 is a deficient number, since it is larger than the sum of its proper divisors (20552726).

28446154 is a wasteful number, since it uses less digits than its factorization.

28446154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68085.

The product of its digits is 30720, while the sum is 34.

The square root of 28446154 is about 5333.4936017586. The cubic root of 28446154 is about 305.2632467019.

It can be divided in two parts, 2844 and 6154, that added together give a palindrome (8998).

The spelling of 28446154 in words is "twenty-eight million, four hundred forty-six thousand, one hundred fifty-four".