146690999 has 16 divisors (see below), whose sum is σ = 180837888. Its totient is φ = 115873632.

The previous prime is 146690981. The next prime is 146691007. The reversal of 146690999 is 999096641.

It is not a de Polignac number, because 146690999 - 2²⁴ = 129913783 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 146690999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146690959) 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 15 ways as a sum of consecutive naturals, for example, 87164 + ... + 88830.

It is an arithmetic number, because the mean of its divisors is an integer number (11302368).

Almost surely, 2^146690999 is an apocalyptic number.

146690999 is a deficient number, since it is larger than the sum of its proper divisors (34146889).

146690999 is a wasteful number, since it uses less digits than its factorization.

146690999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654.

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

The square root of 146690999 is about 12111.6059628771. The cubic root of 146690999 is about 527.3931549134.

The spelling of 146690999 in words is "one hundred forty-six million, six hundred ninety thousand, nine hundred ninety-nine".