2148574 has 4 divisors (see below), whose sum is σ = 3222864. Its totient is φ = 1074286.

The previous prime is 2148547. The next prime is 2148583. The reversal of 2148574 is 4758412.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537142 + ... + 537145.

It is an arithmetic number, because the mean of its divisors is an integer number (805716).

2^2148574 is an apocalyptic number.

2148574 is a deficient number, since it is larger than the sum of its proper divisors (1074290).

2148574 is a wasteful number, since it uses less digits than its factorization.

2148574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074289.

The product of its digits is 8960, while the sum is 31.

The square root of 2148574 is about 1465.8014872417. The cubic root of 2148574 is about 129.0377471012.

The spelling of 2148574 in words is "two million, one hundred forty-eight thousand, five hundred seventy-four".