146144899 has 2 divisors, whose sum is σ = 146144900. Its totient is φ = 146144898.

The previous prime is 146144893. The next prime is 146144963. The reversal of 146144899 is 998441641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146144899 - 2⁷ = 146144771 is a prime.

It is not a weakly prime, because it can be changed into another prime (146144893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73072449 + 73072450.

It is an arithmetic number, because the mean of its divisors is an integer number (73072450).

Almost surely, 2^146144899 is an apocalyptic number.

146144899 is a deficient number, since it is larger than the sum of its proper divisors (1).

146144899 is an equidigital number, since it uses as much as digits as its factorization.

146144899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 46.

The square root of 146144899 is about 12089.0404499282. The cubic root of 146144899 is about 526.7378828459.

It can be divided in two parts, 1461 and 44899, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 146144899 in words is "one hundred forty-six million, one hundred forty-four thousand, eight hundred ninety-nine".