146519469 has 16 divisors (see below), whose sum is σ = 228491200. Its totient is φ = 92538288.

The previous prime is 146519459. The next prime is 146519473. The reversal of 146519469 is 964915641.

It is a happy number.

It is not a de Polignac number, because 146519469 - 2⁵ = 146519437 is a prime.

It is a super-2 number, since 2×146519469² = 42935909592083922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146519459) 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, 142294 + ... + 143319.

It is an arithmetic number, because the mean of its divisors is an integer number (14280700).

Almost surely, 2^146519469 is an apocalyptic number.

146519469 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

146519469 is a deficient number, since it is larger than the sum of its proper divisors (81971731).

146519469 is a wasteful number, since it uses less digits than its factorization.

146519469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285641 (or 285635 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 146519469 is about 12104.5226671687. The cubic root of 146519469 is about 527.1875094136.

The spelling of 146519469 in words is "one hundred forty-six million, five hundred nineteen thousand, four hundred sixty-nine".