146289019 has 2 divisors, whose sum is σ = 146289020. Its totient is φ = 146289018.

The previous prime is 146288983. The next prime is 146289047. The reversal of 146289019 is 910982641.

146289019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146289019 is a prime.

It is a super-2 number, since 2×146289019² = 42800954159964722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (146289089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73144509 + 73144510.

It is an arithmetic number, because the mean of its divisors is an integer number (73144510).

Almost surely, 2^146289019 is an apocalyptic number.

146289019 is a deficient number, since it is larger than the sum of its proper divisors (1).

146289019 is an equidigital number, since it uses as much as digits as its factorization.

146289019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 146289019 is about 12094.9997519636. Note that the first 3 decimals coincide. The cubic root of 146289019 is about 526.9109725306.

The spelling of 146289019 in words is "one hundred forty-six million, two hundred eighty-nine thousand, nineteen".