145333919 has 2 divisors, whose sum is σ = 145333920. Its totient is φ = 145333918.

The previous prime is 145333871. The next prime is 145333931. The reversal of 145333919 is 919333541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145333919 is a prime.

It is a super-2 number, since 2×145333919² = 42243896023797122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145333939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72666959 + 72666960.

It is an arithmetic number, because the mean of its divisors is an integer number (72666960).

Almost surely, 2^145333919 is an apocalyptic number.

145333919 is a deficient number, since it is larger than the sum of its proper divisors (1).

145333919 is an equidigital number, since it uses as much as digits as its factorization.

145333919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 38.

The square root of 145333919 is about 12055.4518372394. The cubic root of 145333919 is about 525.7617591796.

The spelling of 145333919 in words is "one hundred forty-five million, three hundred thirty-three thousand, nine hundred nineteen".