148739977 has 8 divisors (see below), whose sum is σ = 150059520. Its totient is φ = 147426720.

The previous prime is 148739957. The next prime is 148739993. The reversal of 148739977 is 779937841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148739977 - 2¹¹ = 148737929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148739917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54352 + ... + 57022.

It is an arithmetic number, because the mean of its divisors is an integer number (18757440).

Almost surely, 2^148739977 is an apocalyptic number.

It is an amenable number.

148739977 is a deficient number, since it is larger than the sum of its proper divisors (1319543).

148739977 is a wasteful number, since it uses less digits than its factorization.

148739977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143.

The product of its digits is 2667168, while the sum is 55.

The square root of 148739977 is about 12195.9000077895. The cubic root of 148739977 is about 529.8373501138.

The spelling of 148739977 in words is "one hundred forty-eight million, seven hundred thirty-nine thousand, nine hundred seventy-seven".