214544240146 has 16 divisors (see below), whose sum is σ = 328444316640. Its totient is φ = 105080690880.

The previous prime is 214544240093. The next prime is 214544240203. The reversal of 214544240146 is 641042445412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4448295 + ... + 4496266.

It is an arithmetic number, because the mean of its divisors is an integer number (20527769790).

Almost surely, 2^214544240146 is an apocalyptic number.

214544240146 is a deficient number, since it is larger than the sum of its proper divisors (113900076494).

214544240146 is a wasteful number, since it uses less digits than its factorization.

214544240146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8944809.

The product of its (nonzero) digits is 122880, while the sum is 37.

Adding to 214544240146 its reverse (641042445412), we get a palindrome (855586685558).

The spelling of 214544240146 in words is "two hundred fourteen billion, five hundred forty-four million, two hundred forty thousand, one hundred forty-six".