146723453 has 4 divisors (see below), whose sum is σ = 154445760. Its totient is φ = 139001148.

The previous prime is 146723449. The next prime is 146723477. The reversal of 146723453 is 354327641.

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 146723453 - 2² = 146723449 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 (146723153) 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, 3861125 + ... + 3861162.

It is an arithmetic number, because the mean of its divisors is an integer number (38611440).

Almost surely, 2^146723453 is an apocalyptic number.

It is an amenable number.

146723453 is a deficient number, since it is larger than the sum of its proper divisors (7722307).

146723453 is an equidigital number, since it uses as much as digits as its factorization.

146723453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7722306.

The product of its digits is 60480, while the sum is 35.

The square root of 146723453 is about 12112.9456780752. The cubic root of 146723453 is about 527.4320456326.

The spelling of 146723453 in words is "one hundred forty-six million, seven hundred twenty-three thousand, four hundred fifty-three".