146765661 has 8 divisors (see below), whose sum is σ = 223642944. Its totient is φ = 83866080.

The previous prime is 146765659. The next prime is 146765669. The reversal of 146765661 is 166567641.

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 146765661 - 2¹ = 146765659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146765669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3494400 + ... + 3494441.

It is an arithmetic number, because the mean of its divisors is an integer number (27955368).

Almost surely, 2^146765661 is an apocalyptic number.

It is an amenable number.

146765661 is a deficient number, since it is larger than the sum of its proper divisors (76877283).

146765661 is an equidigital number, since it uses as much as digits as its factorization.

146765661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6988851.

The product of its digits is 181440, while the sum is 42.

The square root of 146765661 is about 12114.6878209882. The cubic root of 146765661 is about 527.4826163195.

The spelling of 146765661 in words is "one hundred forty-six million, seven hundred sixty-five thousand, six hundred sixty-one".