146331851 has 2 divisors, whose sum is σ = 146331852. Its totient is φ = 146331850.

The previous prime is 146331841. The next prime is 146331919. The reversal of 146331851 is 158133641.

146331851 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 (158133641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146331851 - 2²² = 142137547 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146331841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73165925 + 73165926.

It is an arithmetic number, because the mean of its divisors is an integer number (73165926).

Almost surely, 2^146331851 is an apocalyptic number.

146331851 is a deficient number, since it is larger than the sum of its proper divisors (1).

146331851 is an equidigital number, since it uses as much as digits as its factorization.

146331851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 146331851 is about 12096.7702714402. The cubic root of 146331851 is about 526.9623923129.

The spelling of 146331851 in words is "one hundred forty-six million, three hundred thirty-one thousand, eight hundred fifty-one".