146069999 has 4 divisors (see below), whose sum is σ = 146109936. Its totient is φ = 146030064.

The previous prime is 146069971. The next prime is 146070049. The reversal of 146069999 is 999960641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146069999 - 2⁸ = 146069743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146069999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146069909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13859 + ... + 22004.

It is an arithmetic number, because the mean of its divisors is an integer number (36527484).

Almost surely, 2^146069999 is an apocalyptic number.

146069999 is a deficient number, since it is larger than the sum of its proper divisors (39937).

146069999 is an equidigital number, since it uses as much as digits as its factorization.

146069999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39936.

The product of its (nonzero) digits is 944784, while the sum is 53.

The square root of 146069999 is about 12085.9422057198. The cubic root of 146069999 is about 526.6478821925.

The spelling of 146069999 in words is "one hundred forty-six million, sixty-nine thousand, nine hundred ninety-nine".