2152442 has 8 divisors (see below), whose sum is σ = 3277056. Its totient is φ = 1060092.

The previous prime is 2152433. The next prime is 2152457. The reversal of 2152442 is 2442512.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7898 + ... + 8165.

It is an arithmetic number, because the mean of its divisors is an integer number (409632).

2^2152442 is an apocalyptic number.

2152442 is a deficient number, since it is larger than the sum of its proper divisors (1124614).

2152442 is a wasteful number, since it uses less digits than its factorization.

2152442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16132.

The product of its digits is 640, while the sum is 20.

The square root of 2152442 is about 1467.1203086318. The cubic root of 2152442 is about 129.1151346755.

Adding to 2152442 its reverse (2442512), we get a palindrome (4594954).

The spelling of 2152442 in words is "two million, one hundred fifty-two thousand, four hundred forty-two".