145460297 has 2 divisors, whose sum is σ = 145460298. Its totient is φ = 145460296.

The previous prime is 145460291. The next prime is 145460309. The reversal of 145460297 is 792064541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113976976 + 31483321 = 10676^2 + 5611^2 .

It is a cyclic number.

It is not a de Polignac number, because 145460297 - 2¹⁴ = 145443913 is a prime.

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 145460297.

It is not a weakly prime, because it can be changed into another prime (145460291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72730148 + 72730149.

It is an arithmetic number, because the mean of its divisors is an integer number (72730149).

Almost surely, 2^145460297 is an apocalyptic number.

It is an amenable number.

145460297 is a deficient number, since it is larger than the sum of its proper divisors (1).

145460297 is an equidigital number, since it uses as much as digits as its factorization.

145460297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 145460297 is about 12060.6922272314. The cubic root of 145460297 is about 525.9141105598.

The spelling of 145460297 in words is "one hundred forty-five million, four hundred sixty thousand, two hundred ninety-seven".