146212142 has 16 divisors (see below), whose sum is σ = 227178000. Its totient is φ = 70492800.

The previous prime is 146212139. The next prime is 146212153. The reversal of 146212142 is 241212641.

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 7 ways as a sum of consecutive naturals, for example, 68609 + ... + 70707.

It is an arithmetic number, because the mean of its divisors is an integer number (14198625).

Almost surely, 2^146212142 is an apocalyptic number.

146212142 is a deficient number, since it is larger than the sum of its proper divisors (80965858).

146212142 is a wasteful number, since it uses less digits than its factorization.

146212142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331.

The product of its digits is 768, while the sum is 23.

The square root of 146212142 is about 12091.8212854805. The cubic root of 146212142 is about 526.8186565730.

Adding to 146212142 its reverse (241212641), we get a palindrome (387424783).

The spelling of 146212142 in words is "one hundred forty-six million, two hundred twelve thousand, one hundred forty-two".