145353233 has 2 divisors, whose sum is σ = 145353234. Its totient is φ = 145353232.

The previous prime is 145353227. The next prime is 145353253. The reversal of 145353233 is 332353541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122389969 + 22963264 = 11063^2 + 4792^2 .

It is a cyclic number.

It is not a de Polignac number, because 145353233 - 2¹² = 145349137 is a prime.

It is a super-2 number, since 2×145353233² = 42255124687104578, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 145353196 and 145353205.

It is not a weakly prime, because it can be changed into another prime (145353223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72676616 + 72676617.

It is an arithmetic number, because the mean of its divisors is an integer number (72676617).

Almost surely, 2^145353233 is an apocalyptic number.

It is an amenable number.

145353233 is a deficient number, since it is larger than the sum of its proper divisors (1).

145353233 is an equidigital number, since it uses as much as digits as its factorization.

145353233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 29.

The square root of 145353233 is about 12056.2528589940. The cubic root of 145353233 is about 525.7850483353.

The spelling of 145353233 in words is "one hundred forty-five million, three hundred fifty-three thousand, two hundred thirty-three".