2146442 has 4 divisors (see below), whose sum is σ = 3219666. Its totient is φ = 1073220.

The previous prime is 2146439. The next prime is 2146457. The reversal of 2146442 is 2446412.

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., 1301881 + 844561 = 1141^2 + 919^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536609 + ... + 536612.

2^2146442 is an apocalyptic number.

2146442 is a deficient number, since it is larger than the sum of its proper divisors (1073224).

2146442 is a wasteful number, since it uses less digits than its factorization.

2146442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073223.

The product of its digits is 1536, while the sum is 23.

The square root of 2146442 is about 1465.0740595615. The cubic root of 2146442 is about 128.9950521909.

The spelling of 2146442 in words is "two million, one hundred forty-six thousand, four hundred forty-two".