146719445 has 6 divisors (see below), whose sum is σ = 176095842. Its totient is φ = 117353888.

The previous prime is 146719429. The next prime is 146719451. The reversal of 146719445 is 544917641.

It can be written as a sum of positive squares in 3 ways, for example, as 4418404 + 142301041 = 2102^2 + 11929^2 .

It is not a de Polignac number, because 146719445 - 2⁴ = 146719429 is a prime.

It is a super-2 number, since 2×146719445² = 43053191082216050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24377 + ... + 29793.

It is an arithmetic number, because the mean of its divisors is an integer number (29349307).

Almost surely, 2^146719445 is an apocalyptic number.

It is an amenable number.

146719445 is a deficient number, since it is larger than the sum of its proper divisors (29376397).

146719445 is an frugal number, since it uses more digits than its factorization.

146719445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10839 (or 5422 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 146719445 is about 12112.7802341164. The cubic root of 146719445 is about 527.4272430219.

The spelling of 146719445 in words is "one hundred forty-six million, seven hundred nineteen thousand, four hundred forty-five".