148650257 has 8 divisors (see below), whose sum is σ = 171390336. Its totient is φ = 126286272.

The previous prime is 148650251. The next prime is 148650263. The reversal of 148650257 is 752056841.

It is an interprime number because it is at equal distance from previous prime (148650251) and next prime (148650263).

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

It is not a de Polignac number, because 148650257 - 2⁴ = 148650241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148650257.

It is not an unprimeable number, because it can be changed into a prime (148650251) 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, 93173 + ... + 94754.

It is an arithmetic number, because the mean of its divisors is an integer number (21423792).

Almost surely, 2^148650257 is an apocalyptic number.

It is an amenable number.

148650257 is a deficient number, since it is larger than the sum of its proper divisors (22740079).

148650257 is a wasteful number, since it uses less digits than its factorization.

148650257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188047.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 148650257 is about 12192.2211676134. The cubic root of 148650257 is about 529.7307960021.

The spelling of 148650257 in words is "one hundred forty-eight million, six hundred fifty thousand, two hundred fifty-seven".