2148554 has 4 divisors (see below), whose sum is σ = 3222834. Its totient is φ = 1074276.

The previous prime is 2148547. The next prime is 2148583. The reversal of 2148554 is 4558412.

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

It can be written as a sum of positive squares in only one way, i.e., 2036329 + 112225 = 1427^2 + 335^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537137 + ... + 537140.

2^2148554 is an apocalyptic number.

2148554 is a deficient number, since it is larger than the sum of its proper divisors (1074280).

2148554 is a wasteful number, since it uses less digits than its factorization.

2148554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074279.

The product of its digits is 6400, while the sum is 29.

The square root of 2148554 is about 1465.7946650196. The cubic root of 2148554 is about 129.0373467173.

The spelling of 2148554 in words is "two million, one hundred forty-eight thousand, five hundred fifty-four".