146311787 has 2 divisors, whose sum is σ = 146311788. Its totient is φ = 146311786.

The previous prime is 146311777. The next prime is 146311807. The reversal of 146311787 is 787113641.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146311787 - 2⁴ = 146311771 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146311787.

It is not a weakly prime, because it can be changed into another prime (146311777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73155893 + 73155894.

It is an arithmetic number, because the mean of its divisors is an integer number (73155894).

Almost surely, 2^146311787 is an apocalyptic number.

146311787 is a deficient number, since it is larger than the sum of its proper divisors (1).

146311787 is an equidigital number, since it uses as much as digits as its factorization.

146311787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 38.

The square root of 146311787 is about 12095.9409307420. The cubic root of 146311787 is about 526.9383067461.

The spelling of 146311787 in words is "one hundred forty-six million, three hundred eleven thousand, seven hundred eighty-seven".