145933 has 2 divisors, whose sum is σ = 145934. Its totient is φ = 145932.

The previous prime is 145931. The next prime is 145949. The reversal of 145933 is 339541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145924 + 9 = 382^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 145933 - 2¹ = 145931 is a prime.

Together with 145931, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 1 + 4⁸ + 9² + 5⁷ + 3 + 3⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 145898 and 145907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72966 + 72967.

It is an arithmetic number, because the mean of its divisors is an integer number (72967).

2¹⁴⁵⁹³³ is an apocalyptic number.

It is an amenable number.

145933 is a deficient number, since it is larger than the sum of its proper divisors (1).

145933 is an equidigital number, since it uses as much as digits as its factorization.

145933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 25.

The square root of 145933 is about 382.0117799231. The cubic root of 145933 is about 52.6483183071.

The spelling of 145933 in words is "one hundred forty-five thousand, nine hundred thirty-three".