148461247 has 4 divisors (see below), whose sum is σ = 161957736. Its totient is φ = 134964760.

The previous prime is 148461239. The next prime is 148461253. The reversal of 148461247 is 742164841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 742164841 = 11 ⋅67469531.

It is a cyclic number.

It is not a de Polignac number, because 148461247 - 2³ = 148461239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148461217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6748228 + ... + 6748249.

It is an arithmetic number, because the mean of its divisors is an integer number (40489434).

Almost surely, 2^148461247 is an apocalyptic number.

148461247 is a deficient number, since it is larger than the sum of its proper divisors (13496489).

148461247 is a wasteful number, since it uses less digits than its factorization.

148461247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13496488.

The product of its digits is 43008, while the sum is 37.

The square root of 148461247 is about 12184.4674483541. The cubic root of 148461247 is about 529.5061817832.

The spelling of 148461247 in words is "one hundred forty-eight million, four hundred sixty-one thousand, two hundred forty-seven".