145565057933 has 2 divisors, whose sum is σ = 145565057934. Its totient is φ = 145565057932.

The previous prime is 145565057917. The next prime is 145565057951. The reversal of 145565057933 is 339750565541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128441241769 + 17123816164 = 358387^2 + 130858^2 .

It is a cyclic number.

It is not a de Polignac number, because 145565057933 - 2⁴ = 145565057917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145565050933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72782528966 + 72782528967.

It is an arithmetic number, because the mean of its divisors is an integer number (72782528967).

Almost surely, 2^145565057933 is an apocalyptic number.

It is an amenable number.

145565057933 is a deficient number, since it is larger than the sum of its proper divisors (1).

145565057933 is an equidigital number, since it uses as much as digits as its factorization.

145565057933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8505000, while the sum is 53.

The spelling of 145565057933 in words is "one hundred forty-five billion, five hundred sixty-five million, fifty-seven thousand, nine hundred thirty-three".