146132661 has 4 divisors (see below), whose sum is σ = 194843552. Its totient is φ = 97421772.

The previous prime is 146132611. The next prime is 146132671. The reversal of 146132661 is 166231641.

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.

It is not a de Polignac number, because 146132661 - 2¹⁵ = 146099893 is a prime.

It is a super-2 number, since 2×146132661² = 42709509221881842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146132611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24355441 + ... + 24355446.

It is an arithmetic number, because the mean of its divisors is an integer number (48710888).

Almost surely, 2^146132661 is an apocalyptic number.

It is an amenable number.

146132661 is a deficient number, since it is larger than the sum of its proper divisors (48710891).

146132661 is an equidigital number, since it uses as much as digits as its factorization.

146132661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48710890.

The product of its digits is 5184, while the sum is 30.

The square root of 146132661 is about 12088.5342783979. The cubic root of 146132661 is about 526.7231796343.

The spelling of 146132661 in words is "one hundred forty-six million, one hundred thirty-two thousand, six hundred sixty-one".