148779737 has 2 divisors, whose sum is σ = 148779738. Its totient is φ = 148779736.

The previous prime is 148779707. The next prime is 148779739. The reversal of 148779737 is 737977841.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109077136 + 39702601 = 10444^2 + 6301^2 .

It is a cyclic number.

It is not a de Polignac number, because 148779737 - 2¹⁴ = 148763353 is a prime.

Together with 148779739, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148779739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74389868 + 74389869.

It is an arithmetic number, because the mean of its divisors is an integer number (74389869).

Almost surely, 2^148779737 is an apocalyptic number.

It is an amenable number.

148779737 is a deficient number, since it is larger than the sum of its proper divisors (1).

148779737 is an equidigital number, since it uses as much as digits as its factorization.

148779737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2074464, while the sum is 53.

The square root of 148779737 is about 12197.5299548720. The cubic root of 148779737 is about 529.8845565579.

The spelling of 148779737 in words is "one hundred forty-eight million, seven hundred seventy-nine thousand, seven hundred thirty-seven".