146198453 has 6 divisors (see below), whose sum is σ = 155304546. Its totient is φ = 137598272.

The previous prime is 146198411. The next prime is 146198461. The reversal of 146198453 is 354891641.

It can be written as a sum of positive squares in 3 ways, for example, as 40170244 + 106028209 = 6338^2 + 10297^2 .

It is not a de Polignac number, because 146198453 - 2⁶ = 146198389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146198453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146198473) 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 5 ways as a sum of consecutive naturals, for example, 252650 + ... + 253227.

It is an arithmetic number, because the mean of its divisors is an integer number (25884091).

Almost surely, 2^146198453 is an apocalyptic number.

It is an amenable number.

146198453 is a deficient number, since it is larger than the sum of its proper divisors (9106093).

146198453 is an equidigital number, since it uses as much as digits as its factorization.

146198453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505911 (or 505894 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 146198453 is about 12091.2552284699. The cubic root of 146198453 is about 526.8022150619.

The spelling of 146198453 in words is "one hundred forty-six million, one hundred ninety-eight thousand, four hundred fifty-three".