148381770777 has 16 divisors (see below), whose sum is σ = 210891264000. Its totient is φ = 92528536464.

The previous prime is 148381770749. The next prime is 148381770827. The reversal of 148381770777 is 777077183841.

It is not a de Polignac number, because 148381770777 - 2¹⁴ = 148381754393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148381770777.

It is not an unprimeable number, because it can be changed into a prime (148381770727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16471377 + ... + 16480382.

It is an arithmetic number, because the mean of its divisors is an integer number (13180704000).

Almost surely, 2^148381770777 is an apocalyptic number.

It is an amenable number.

148381770777 is a deficient number, since it is larger than the sum of its proper divisors (62509493223).

148381770777 is a wasteful number, since it uses less digits than its factorization.

148381770777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32951860.

The product of its (nonzero) digits is 12907776, while the sum is 60.

The spelling of 148381770777 in words is "one hundred forty-eight billion, three hundred eighty-one million, seven hundred seventy thousand, seven hundred seventy-seven".