148077551621773 has 2 divisors, whose sum is σ = 148077551621774. Its totient is φ = 148077551621772.

The previous prime is 148077551621759. The next prime is 148077551621803. The reversal of 148077551621773 is 377126155770841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143252245252809 + 4825306368964 = 11968803^2 + 2196658^2 .

It is an emirp because it is prime and its reverse (377126155770841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148077551621773 - 2⁹ = 148077551621261 is a prime.

It is a super-2 number, since 2×148077551621773² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148077551624773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74038775810886 + 74038775810887.

It is an arithmetic number, because the mean of its divisors is an integer number (74038775810887).

Almost surely, 2^{148077551621773} is an apocalyptic number.

It is an amenable number.

148077551621773 is a deficient number, since it is larger than the sum of its proper divisors (1).

148077551621773 is an equidigital number, since it uses as much as digits as its factorization.

148077551621773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69148800, while the sum is 64.

The spelling of 148077551621773 in words is "one hundred forty-eight trillion, seventy-seven billion, five hundred fifty-one million, six hundred twenty-one thousand, seven hundred seventy-three".