145270033 has 2 divisors, whose sum is σ = 145270034. Its totient is φ = 145270032.

The previous prime is 145270031. The next prime is 145270051. The reversal of 145270033 is 330072541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89737729 + 55532304 = 9473^2 + 7452^2 .

It is a cyclic number.

It is not a de Polignac number, because 145270033 - 2¹ = 145270031 is a prime.

It is a super-2 number, since 2×145270033² = 42206764975642178, which contains 22 as substring.

Together with 145270031, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (145270031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72635016 + 72635017.

It is an arithmetic number, because the mean of its divisors is an integer number (72635017).

Almost surely, 2^145270033 is an apocalyptic number.

It is an amenable number.

145270033 is a deficient number, since it is larger than the sum of its proper divisors (1).

145270033 is an equidigital number, since it uses as much as digits as its factorization.

145270033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 145270033 is about 12052.8018734235. The cubic root of 145270033 is about 525.6847096309.

The spelling of 145270033 in words is "one hundred forty-five million, two hundred seventy thousand, thirty-three".