145888733 has 2 divisors, whose sum is σ = 145888734. Its totient is φ = 145888732.

The previous prime is 145888703. The next prime is 145888819. The reversal of 145888733 is 337888541.

It is a happy number.

145888733 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., 76965529 + 68923204 = 8773^2 + 8302^2 .

It is a cyclic number.

It is not a de Polignac number, because 145888733 - 2¹² = 145884637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145888703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72944366 + 72944367.

It is an arithmetic number, because the mean of its divisors is an integer number (72944367).

Almost surely, 2^145888733 is an apocalyptic number.

It is an amenable number.

145888733 is a deficient number, since it is larger than the sum of its proper divisors (1).

145888733 is an equidigital number, since it uses as much as digits as its factorization.

145888733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 47.

The square root of 145888733 is about 12078.4408348098. The cubic root of 145888733 is about 526.4299435981.

The spelling of 145888733 in words is "one hundred forty-five million, eight hundred eighty-eight thousand, seven hundred thirty-three".