150405039943 has 2 divisors, whose sum is σ = 150405039944. Its totient is φ = 150405039942.

The previous prime is 150405039919. The next prime is 150405040001. The reversal of 150405039943 is 349930504051.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150405039943 - 2⁹ = 150405039431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150405039943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150405030943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75202519971 + 75202519972.

It is an arithmetic number, because the mean of its divisors is an integer number (75202519972).

Almost surely, 2^150405039943 is an apocalyptic number.

150405039943 is a deficient number, since it is larger than the sum of its proper divisors (1).

150405039943 is an equidigital number, since it uses as much as digits as its factorization.

150405039943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 150405039943 in words is "one hundred fifty billion, four hundred five million, thirty-nine thousand, nine hundred forty-three".