146000891 has 2 divisors, whose sum is σ = 146000892. Its totient is φ = 146000890.

The previous prime is 146000887. The next prime is 146000909. The reversal of 146000891 is 198000641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146000891 - 2² = 146000887 is a prime.

It is not a weakly prime, because it can be changed into another prime (146000821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73000445 + 73000446.

It is an arithmetic number, because the mean of its divisors is an integer number (73000446).

Almost surely, 2^146000891 is an apocalyptic number.

146000891 is a deficient number, since it is larger than the sum of its proper divisors (1).

146000891 is an equidigital number, since it uses as much as digits as its factorization.

146000891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 146000891 is about 12083.0828433807. The cubic root of 146000891 is about 526.5648139755.

The spelling of 146000891 in words is "one hundred forty-six million, eight hundred ninety-one", and thus it is an aban number.