28149054 has 16 divisors (see below), whose sum is σ = 58114560. Its totient is φ = 9080280.

The previous prime is 28149049. The next prime is 28149061. The reversal of 28149054 is 45094182.

It is a super-3 number, since 3×28149054³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

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, 75484 + ... + 75855.

It is an arithmetic number, because the mean of its divisors is an integer number (3632160).

Almost surely, 2^28149054 is an apocalyptic number.

28149054 is an abundant number, since it is smaller than the sum of its proper divisors (29965506).

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

28149054 is a wasteful number, since it uses less digits than its factorization.

28149054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151375.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 28149054 is about 5305.5682070821. The cubic root of 28149054 is about 304.1967721333.

The spelling of 28149054 in words is "twenty-eight million, one hundred forty-nine thousand, fifty-four".