146472481 has 2 divisors, whose sum is σ = 146472482. Its totient is φ = 146472480.

The previous prime is 146472479. The next prime is 146472497. The reversal of 146472481 is 184274641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125081856 + 21390625 = 11184^2 + 4625^2 .

It is a cyclic number.

It is not a de Polignac number, because 146472481 - 2¹ = 146472479 is a prime.

It is a super-2 number, since 2×146472481² = 42908375380590722, which contains 22 as substring.

Together with 146472479, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146472481.

It is not a weakly prime, because it can be changed into another prime (146472401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73236240 + 73236241.

It is an arithmetic number, because the mean of its divisors is an integer number (73236241).

Almost surely, 2^146472481 is an apocalyptic number.

It is an amenable number.

146472481 is a deficient number, since it is larger than the sum of its proper divisors (1).

146472481 is an equidigital number, since it uses as much as digits as its factorization.

146472481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 37.

The square root of 146472481 is about 12102.5815841084. The cubic root of 146472481 is about 527.1311479954.

The spelling of 146472481 in words is "one hundred forty-six million, four hundred seventy-two thousand, four hundred eighty-one".