210144542 has 8 divisors (see below), whose sum is σ = 315701496. Its totient is φ = 104910712.

The previous prime is 210144533. The next prime is 210144551. The reversal of 210144542 is 245441012.

It is an interprime number because it is at equal distance from previous prime (210144533) and next prime (210144551).

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, 79148 + ... + 81759.

It is an arithmetic number, because the mean of its divisors is an integer number (39462687).

Almost surely, 2^210144542 is an apocalyptic number.

210144542 is a deficient number, since it is larger than the sum of its proper divisors (105556954).

210144542 is a wasteful number, since it uses less digits than its factorization.

210144542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161562.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 210144542 is about 14496.3630611267. The cubic root of 210144542 is about 594.5285364393.

Adding to 210144542 its reverse (245441012), we get a palindrome (455585554).

The spelling of 210144542 in words is "two hundred ten million, one hundred forty-four thousand, five hundred forty-two".