146730253 has 2 divisors, whose sum is σ = 146730254. Its totient is φ = 146730252.

The previous prime is 146730239. The next prime is 146730289. The reversal of 146730253 is 352037641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142993764 + 3736489 = 11958^2 + 1933^2 .

It is a cyclic number.

It is not a de Polignac number, because 146730253 - 2¹³ = 146722061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146730203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73365126 + 73365127.

It is an arithmetic number, because the mean of its divisors is an integer number (73365127).

Almost surely, 2^146730253 is an apocalyptic number.

It is an amenable number.

146730253 is a deficient number, since it is larger than the sum of its proper divisors (1).

146730253 is an equidigital number, since it uses as much as digits as its factorization.

146730253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 146730253 is about 12113.2263662494. The cubic root of 146730253 is about 527.4401935745.

Adding to 146730253 its reverse (352037641), we get a palindrome (498767894).

The spelling of 146730253 in words is "one hundred forty-six million, seven hundred thirty thousand, two hundred fifty-three".