146772419 has 4 divisors (see below), whose sum is σ = 146797896. Its totient is φ = 146746944.

The previous prime is 146772401. The next prime is 146772421. The reversal of 146772419 is 914277641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 914277641 = 647 ⋅1413103.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146772419 is a prime.

It is a super-2 number, since 2×146772419² = 43084285958223122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146772019) 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, 467 + ... + 17139.

It is an arithmetic number, because the mean of its divisors is an integer number (36699474).

Almost surely, 2^146772419 is an apocalyptic number.

146772419 is a deficient number, since it is larger than the sum of its proper divisors (25477).

146772419 is an equidigital number, since it uses as much as digits as its factorization.

146772419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25476.

The product of its digits is 84672, while the sum is 41.

The square root of 146772419 is about 12114.9667354063. The cubic root of 146772419 is about 527.4907123841.

The spelling of 146772419 in words is "one hundred forty-six million, seven hundred seventy-two thousand, four hundred nineteen".