146342273 has 24 divisors (see below), whose sum is σ = 196647264. Its totient is φ = 107318400.

The previous prime is 146342269. The next prime is 146342293. The reversal of 146342273 is 372243641.

It is not a de Polignac number, because 146342273 - 2² = 146342269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146342213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1178 + ... + 17148.

It is an arithmetic number, because the mean of its divisors is an integer number (8193636).

Almost surely, 2^146342273 is an apocalyptic number.

It is an amenable number.

146342273 is a deficient number, since it is larger than the sum of its proper divisors (50304991).

146342273 is a wasteful number, since it uses less digits than its factorization.

146342273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16013 (or 16006 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 146342273 is about 12097.2010399100. The cubic root of 146342273 is about 526.9749023979.

The spelling of 146342273 in words is "one hundred forty-six million, three hundred forty-two thousand, two hundred seventy-three".