145308133 has 2 divisors, whose sum is σ = 145308134. Its totient is φ = 145308132.

The previous prime is 145308131. The next prime is 145308199. The reversal of 145308133 is 331803541.

145308133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134165889 + 11142244 = 11583^2 + 3338^2 .

It is a cyclic number.

It is not a de Polignac number, because 145308133 - 2¹ = 145308131 is a prime.

It is a super-2 number, since 2×145308133² = 42228907031891378, which contains 22 as substring.

Together with 145308131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145308131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72654066 + 72654067.

It is an arithmetic number, because the mean of its divisors is an integer number (72654067).

Almost surely, 2^145308133 is an apocalyptic number.

It is an amenable number.

145308133 is a deficient number, since it is larger than the sum of its proper divisors (1).

145308133 is an equidigital number, since it uses as much as digits as its factorization.

145308133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 145308133 is about 12054.3823151583. The cubic root of 145308133 is about 525.7306627576.

The spelling of 145308133 in words is "one hundred forty-five million, three hundred eight thousand, one hundred thirty-three".