146536231 has 4 divisors (see below), whose sum is σ = 148391200. Its totient is φ = 144681264.

The previous prime is 146536223. The next prime is 146536241. The reversal of 146536231 is 132635641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146536231 - 2³ = 146536223 is a prime.

It is a super-2 number, since 2×146536231² = 42945733991370722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146536193 and 146536202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146536241) 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, 927366 + ... + 927523.

It is an arithmetic number, because the mean of its divisors is an integer number (37097800).

Almost surely, 2^146536231 is an apocalyptic number.

146536231 is a deficient number, since it is larger than the sum of its proper divisors (1854969).

146536231 is an equidigital number, since it uses as much as digits as its factorization.

146536231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854968.

The product of its digits is 12960, while the sum is 31.

The square root of 146536231 is about 12105.2150331995. The cubic root of 146536231 is about 527.2076122712.

The spelling of 146536231 in words is "one hundred forty-six million, five hundred thirty-six thousand, two hundred thirty-one".