146083281 has 16 divisors (see below), whose sum is σ = 206115840. Its totient is φ = 91839440.

The previous prime is 146083277. The next prime is 146083291. The reversal of 146083281 is 182380641.

It is a cyclic number.

It is not a de Polignac number, because 146083281 - 2² = 146083277 is a prime.

It is a super-2 number, since 2×146083281² = 42680649975449922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146083241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10011 + ... + 19808.

It is an arithmetic number, because the mean of its divisors is an integer number (12882240).

Almost surely, 2^146083281 is an apocalyptic number.

It is an amenable number.

146083281 is a deficient number, since it is larger than the sum of its proper divisors (60032559).

146083281 is a wasteful number, since it uses less digits than its factorization.

146083281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29916.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 146083281 is about 12086.4916745928. The cubic root of 146083281 is about 526.6638442317.

The spelling of 146083281 in words is "one hundred forty-six million, eighty-three thousand, two hundred eighty-one".