146022142 has 8 divisors (see below), whose sum is σ = 250323696. Its totient is φ = 62580912.

The previous prime is 146022139. The next prime is 146022143. The reversal of 146022142 is 241220641.

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 not an unprimeable number, because it can be changed into a prime (146022143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5215063 + ... + 5215090.

It is an arithmetic number, because the mean of its divisors is an integer number (31290462).

Almost surely, 2^146022142 is an apocalyptic number.

146022142 is a deficient number, since it is larger than the sum of its proper divisors (104301554).

146022142 is a wasteful number, since it uses less digits than its factorization.

146022142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10430162.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 146022142 is about 12083.9621813377. The cubic root of 146022142 is about 526.5903605912.

Adding to 146022142 its reverse (241220641), we get a palindrome (387242783).

The spelling of 146022142 in words is "one hundred forty-six million, twenty-two thousand, one hundred forty-two".