148959977 has 2 divisors, whose sum is σ = 148959978. Its totient is φ = 148959976.

The previous prime is 148959971. The next prime is 148959989. The reversal of 148959977 is 779959841.

148959977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84254041 + 64705936 = 9179^2 + 8044^2 .

It is an emirp because it is prime and its reverse (779959841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148959977 - 2⁶ = 148959913 is a prime.

It is not a weakly prime, because it can be changed into another prime (148959971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74479988 + 74479989.

It is an arithmetic number, because the mean of its divisors is an integer number (74479989).

Almost surely, 2^148959977 is an apocalyptic number.

It is an amenable number.

148959977 is a deficient number, since it is larger than the sum of its proper divisors (1).

148959977 is an equidigital number, since it uses as much as digits as its factorization.

148959977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 59.

The square root of 148959977 is about 12204.9160996707. The cubic root of 148959977 is about 530.0984473584.

The spelling of 148959977 in words is "one hundred forty-eight million, nine hundred fifty-nine thousand, nine hundred seventy-seven".