146088661 has 4 divisors (see below), whose sum is σ = 148564800. Its totient is φ = 143612524.

The previous prime is 146088653. The next prime is 146088671. The reversal of 146088661 is 166880641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 166880641 = 2393 ⋅69737.

It is a cyclic number.

It is not a de Polignac number, because 146088661 - 2³ = 146088653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146088601) 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 3 ways as a sum of consecutive naturals, for example, 1237981 + ... + 1238098.

It is an arithmetic number, because the mean of its divisors is an integer number (37141200).

Almost surely, 2^146088661 is an apocalyptic number.

It is an amenable number.

146088661 is a deficient number, since it is larger than the sum of its proper divisors (2476139).

146088661 is an equidigital number, since it uses as much as digits as its factorization.

146088661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476138.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 146088661 is about 12086.7142350599. The cubic root of 146088661 is about 526.6703095317.

The spelling of 146088661 in words is "one hundred forty-six million, eighty-eight thousand, six hundred sixty-one".