146751081 has 8 divisors (see below), whose sum is σ = 197605824. Its totient is φ = 96865200.

The previous prime is 146751043. The next prime is 146751127. The reversal of 146751081 is 180157641.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 146751081 - 2¹³ = 146742889 is a prime.

It is a super-2 number, since 2×146751081² = 43071759549337122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (146751581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241861 + ... + 242466.

It is an arithmetic number, because the mean of its divisors is an integer number (24700728).

Almost surely, 2^146751081 is an apocalyptic number.

It is an amenable number.

146751081 is a deficient number, since it is larger than the sum of its proper divisors (50854743).

146751081 is a wasteful number, since it uses less digits than its factorization.

146751081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484431.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 146751081 is about 12114.0860571485. The cubic root of 146751081 is about 527.4651486749.

The spelling of 146751081 in words is "one hundred forty-six million, seven hundred fifty-one thousand, eighty-one".