146289419 has 4 divisors (see below), whose sum is σ = 146321400. Its totient is φ = 146257440.

The previous prime is 146289413. The next prime is 146289421. The reversal of 146289419 is 914982641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 914982641 = 173 ⋅5288917.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146289419 is a prime.

It is a super-2 number, since 2×146289419² = 42801188222715122, which contains 22 as substring.

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 146289419.

It is not an unprimeable number, because it can be changed into a prime (146289413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7694 + ... + 18755.

It is an arithmetic number, because the mean of its divisors is an integer number (36580350).

Almost surely, 2^146289419 is an apocalyptic number.

146289419 is a deficient number, since it is larger than the sum of its proper divisors (31981).

146289419 is an equidigital number, since it uses as much as digits as its factorization.

146289419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31980.

The product of its digits is 124416, while the sum is 44.

The square root of 146289419 is about 12095.0162877112. The cubic root of 146289419 is about 526.9114527767.

The spelling of 146289419 in words is "one hundred forty-six million, two hundred eighty-nine thousand, four hundred nineteen".