146412251 has 2 divisors, whose sum is σ = 146412252. Its totient is φ = 146412250.

The previous prime is 146412247. The next prime is 146412257. The reversal of 146412251 is 152214641.

146412251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (152214641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146412251 - 2² = 146412247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146412251.

It is not a weakly prime, because it can be changed into another prime (146412257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73206125 + 73206126.

It is an arithmetic number, because the mean of its divisors is an integer number (73206126).

Almost surely, 2^146412251 is an apocalyptic number.

146412251 is a deficient number, since it is larger than the sum of its proper divisors (1).

146412251 is an equidigital number, since it uses as much as digits as its factorization.

146412251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

The square root of 146412251 is about 12100.0930161714. The cubic root of 146412251 is about 527.0588853615.

Adding to 146412251 its reverse (152214641), we get a palindrome (298626892).

The spelling of 146412251 in words is "one hundred forty-six million, four hundred twelve thousand, two hundred fifty-one".