149924187277 has 2 divisors, whose sum is σ = 149924187278. Its totient is φ = 149924187276.

The previous prime is 149924187223. The next prime is 149924187293. The reversal of 149924187277 is 772781429941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131039656036 + 18884531241 = 361994^2 + 137421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149924187277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149924187577) 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, 74962093638 + 74962093639.

It is an arithmetic number, because the mean of its divisors is an integer number (74962093639).

Almost surely, 2^149924187277 is an apocalyptic number.

It is an amenable number.

149924187277 is a deficient number, since it is larger than the sum of its proper divisors (1).

149924187277 is an equidigital number, since it uses as much as digits as its factorization.

149924187277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14224896, while the sum is 61.

The spelling of 149924187277 in words is "one hundred forty-nine billion, nine hundred twenty-four million, one hundred eighty-seven thousand, two hundred seventy-seven".