146726453 has 4 divisors (see below), whose sum is σ = 153105888. Its totient is φ = 140347020.

The previous prime is 146726431. The next prime is 146726467. The reversal of 146726453 is 354627641.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 146726453 - 2²⁰ = 145677877 is a prime.

It is a super-2 number, since 2×146726453² = 43057304019922418, 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 (146726353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3189683 + ... + 3189728.

It is an arithmetic number, because the mean of its divisors is an integer number (38276472).

Almost surely, 2^146726453 is an apocalyptic number.

It is an amenable number.

146726453 is a deficient number, since it is larger than the sum of its proper divisors (6379435).

146726453 is an equidigital number, since it uses as much as digits as its factorization.

146726453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6379434.

The product of its digits is 120960, while the sum is 38.

The square root of 146726453 is about 12113.0695118950. The cubic root of 146726453 is about 527.4356403439.

The spelling of 146726453 in words is "one hundred forty-six million, seven hundred twenty-six thousand, four hundred fifty-three".