146642312 has 8 divisors (see below), whose sum is σ = 274954350. Its totient is φ = 73321152.

The previous prime is 146642311. The next prime is 146642371. The reversal of 146642312 is 213246641.

It can be written as a sum of positive squares in only one way, i.e., 113763556 + 32878756 = 10666^2 + 5734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (146642311) by changing a digit.

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 as a sum of consecutive naturals, namely, 9165137 + ... + 9165152.

Almost surely, 2^146642312 is an apocalyptic number.

It is an amenable number.

146642312 is a deficient number, since it is larger than the sum of its proper divisors (128312038).

146642312 is a wasteful number, since it uses less digits than its factorization.

146642312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18330295 (or 18330291 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 146642312 is about 12109.5958644374. The cubic root of 146642312 is about 527.3348008858.

Adding to 146642312 its reverse (213246641), we get a palindrome (359888953).

The spelling of 146642312 in words is "one hundred forty-six million, six hundred forty-two thousand, three hundred twelve".