145043438068 has 6 divisors (see below), whose sum is σ = 253826016626. Its totient is φ = 72521719032.

The previous prime is 145043438041. The next prime is 145043438069. The reversal of 145043438068 is 860834340541.

It can be written as a sum of positive squares in only one way, i.e., 136063601424 + 8979836644 = 368868^2 + 94762^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145043438069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18130429755 + ... + 18130429762.

Almost surely, 2^145043438068 is an apocalyptic number.

It is an amenable number.

145043438068 is a deficient number, since it is larger than the sum of its proper divisors (108782578558).

145043438068 is a wasteful number, since it uses less digits than its factorization.

145043438068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36260859521 (or 36260859519 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 145043438068 in words is "one hundred forty-five billion, forty-three million, four hundred thirty-eight thousand, sixty-eight".