2148542 has 16 divisors (see below), whose sum is σ = 3575664. Its totient is φ = 960000.

The previous prime is 2148533. The next prime is 2148547. The reversal of 2148542 is 2458412.

It is a happy number.

It is a d-powerful number, because it can be written as 2¹¹ + 1 + 4³ + 8⁵ + 5³ + 4⁷ + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542 + ... + 2142.

It is an arithmetic number, because the mean of its divisors is an integer number (223479).

2^2148542 is an apocalyptic number.

2148542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2148542 is a deficient number, since it is larger than the sum of its proper divisors (1427122).

2148542 is a wasteful number, since it uses less digits than its factorization.

2148542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675.

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

The square root of 2148542 is about 1465.7905716711. The cubic root of 2148542 is about 129.0371064858.

The spelling of 2148542 in words is "two million, one hundred forty-eight thousand, five hundred forty-two".