146232653 has 4 divisors (see below), whose sum is σ = 167123040. Its totient is φ = 125342268.

The previous prime is 146232649. The next prime is 146232833. The reversal of 146232653 is 356232641.

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: 356232641 = 41 ⋅8688601.

It is a cyclic number.

It is not a de Polignac number, because 146232653 - 2² = 146232649 is a prime.

It is a super-3 number, since 3×146232653³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146232613) 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, 10445183 + ... + 10445196.

It is an arithmetic number, because the mean of its divisors is an integer number (41780760).

Almost surely, 2^146232653 is an apocalyptic number.

It is an amenable number.

146232653 is a deficient number, since it is larger than the sum of its proper divisors (20890387).

146232653 is an equidigital number, since it uses as much as digits as its factorization.

146232653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20890386.

The product of its digits is 25920, while the sum is 32.

The square root of 146232653 is about 12092.6693909988. The cubic root of 146232653 is about 526.8432898948.

The spelling of 146232653 in words is "one hundred forty-six million, two hundred thirty-two thousand, six hundred fifty-three".