149543743057 has 2 divisors, whose sum is σ = 149543743058. Its totient is φ = 149543743056.

The previous prime is 149543743007. The next prime is 149543743093. The reversal of 149543743057 is 750347345941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146738028096 + 2805714961 = 383064^2 + 52969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149543743057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149543742995 and 149543743013.

It is not a weakly prime, because it can be changed into another prime (149543743007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74771871528 + 74771871529.

It is an arithmetic number, because the mean of its divisors is an integer number (74771871529).

Almost surely, 2^149543743057 is an apocalyptic number.

It is an amenable number.

149543743057 is a deficient number, since it is larger than the sum of its proper divisors (1).

149543743057 is an equidigital number, since it uses as much as digits as its factorization.

149543743057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 149543743057 in words is "one hundred forty-nine billion, five hundred forty-three million, seven hundred forty-three thousand, fifty-seven".