145190933 has 2 divisors, whose sum is σ = 145190934. Its totient is φ = 145190932.

The previous prime is 145190911. The next prime is 145190939. The reversal of 145190933 is 339091541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136936804 + 8254129 = 11702^2 + 2873^2 .

It is a cyclic number.

It is not a de Polignac number, because 145190933 - 2⁶ = 145190869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145190893 and 145190902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145190939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72595466 + 72595467.

It is an arithmetic number, because the mean of its divisors is an integer number (72595467).

Almost surely, 2^145190933 is an apocalyptic number.

It is an amenable number.

145190933 is a deficient number, since it is larger than the sum of its proper divisors (1).

145190933 is an equidigital number, since it uses as much as digits as its factorization.

145190933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 145190933 is about 12049.5200319349. The cubic root of 145190933 is about 525.5892799700.

The spelling of 145190933 in words is "one hundred forty-five million, one hundred ninety thousand, nine hundred thirty-three".