214145442 has 48 divisors (see below), whose sum is σ = 541562112. Its totient is φ = 59880960.

The previous prime is 214145431. The next prime is 214145471. The reversal of 214145442 is 244541412.

214145442 is a `hidden beast` number, since 214 + 1 + 4 + 5 + 442 = 666.

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 23 ways as a sum of consecutive naturals, for example, 12159 + ... + 24002.

It is an arithmetic number, because the mean of its divisors is an integer number (11282544).

Almost surely, 2^214145442 is an apocalyptic number.

214145442 is an abundant number, since it is smaller than the sum of its proper divisors (327416670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214145442 is a wasteful number, since it uses less digits than its factorization.

214145442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36223 (or 36220 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 214145442 is about 14633.7090991997. The cubic root of 214145442 is about 598.2778785585.

Adding to 214145442 its reverse (244541412), we get a palindrome (458686854).

The spelling of 214145442 in words is "two hundred fourteen million, one hundred forty-five thousand, four hundred forty-two".