146911899 has 8 divisors (see below), whose sum is σ = 196445200. Its totient is φ = 97659936.

The previous prime is 146911889. The next prime is 146911931. The reversal of 146911899 is 998119641.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 146911899 - 2¹³ = 146903707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146911889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69112 + ... + 71205.

It is an arithmetic number, because the mean of its divisors is an integer number (24555650).

Almost surely, 2^146911899 is an apocalyptic number.

146911899 is a deficient number, since it is larger than the sum of its proper divisors (49533301).

146911899 is a wasteful number, since it uses less digits than its factorization.

146911899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140669.

The product of its digits is 139968, while the sum is 48.

The square root of 146911899 is about 12120.7218844424. The cubic root of 146911899 is about 527.6577535559.

The spelling of 146911899 in words is "one hundred forty-six million, nine hundred eleven thousand, eight hundred ninety-nine".