146444133 has 8 divisors (see below), whose sum is σ = 213009696. Its totient is φ = 88754000.

The previous prime is 146444131. The next prime is 146444147. The reversal of 146444133 is 331444641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146444133 - 2¹ = 146444131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146444133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146444131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2218818 + ... + 2218883.

It is an arithmetic number, because the mean of its divisors is an integer number (26626212).

Almost surely, 2^146444133 is an apocalyptic number.

It is an amenable number.

146444133 is a deficient number, since it is larger than the sum of its proper divisors (66565563).

146444133 is a wasteful number, since it uses less digits than its factorization.

146444133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437715.

The product of its digits is 13824, while the sum is 30.

The square root of 146444133 is about 12101.4103723492. The cubic root of 146444133 is about 527.0971391545.

Adding to 146444133 its reverse (331444641), we get a palindrome (477888774).

The spelling of 146444133 in words is "one hundred forty-six million, four hundred forty-four thousand, one hundred thirty-three".