146744213 has 16 divisors (see below), whose sum is σ = 184775040. Its totient is φ = 113208000.

The previous prime is 146744197. The next prime is 146744233. The reversal of 146744213 is 312447641.

It is a cyclic number.

It is not a de Polignac number, because 146744213 - 2⁴ = 146744197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146744213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146744233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1658 + ... + 17211.

It is an arithmetic number, because the mean of its divisors is an integer number (11548440).

Almost surely, 2^146744213 is an apocalyptic number.

It is an amenable number.

146744213 is a deficient number, since it is larger than the sum of its proper divisors (38030827).

146744213 is a wasteful number, since it uses less digits than its factorization.

146744213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18988.

The product of its digits is 16128, while the sum is 32.

The square root of 146744213 is about 12113.8025821787. The cubic root of 146744213 is about 527.4569200310.

The spelling of 146744213 in words is "one hundred forty-six million, seven hundred forty-four thousand, two hundred thirteen".