146224343 has 2 divisors, whose sum is σ = 146224344. Its totient is φ = 146224342.

The previous prime is 146224319. The next prime is 146224357. The reversal of 146224343 is 343422641.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146224343 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146224543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73112171 + 73112172.

It is an arithmetic number, because the mean of its divisors is an integer number (73112172).

Almost surely, 2^146224343 is an apocalyptic number.

146224343 is a deficient number, since it is larger than the sum of its proper divisors (1).

146224343 is an equidigital number, since it uses as much as digits as its factorization.

146224343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 29.

The square root of 146224343 is about 12092.3257895245. The cubic root of 146224343 is about 526.8333100201.

Adding to 146224343 its reverse (343422641), we get a palindrome (489646984).

The spelling of 146224343 in words is "one hundred forty-six million, two hundred twenty-four thousand, three hundred forty-three".