148279247 has 8 divisors (see below), whose sum is σ = 152055792. Its totient is φ = 144510400.

The previous prime is 148279217. The next prime is 148279277. The reversal of 148279247 is 742972841.

It is an interprime number because it is at equal distance from previous prime (148279217) and next prime (148279277).

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 148279247 - 2²² = 144084943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148279198 and 148279207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148279217) 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 7 ways as a sum of consecutive naturals, for example, 73253 + ... + 75249.

It is an arithmetic number, because the mean of its divisors is an integer number (19006974).

Almost surely, 2^148279247 is an apocalyptic number.

148279247 is a deficient number, since it is larger than the sum of its proper divisors (3776545).

148279247 is a wasteful number, since it uses less digits than its factorization.

148279247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849.

The product of its digits is 225792, while the sum is 44.

The square root of 148279247 is about 12176.9966329962. The cubic root of 148279247 is about 529.2897178143.

The spelling of 148279247 in words is "one hundred forty-eight million, two hundred seventy-nine thousand, two hundred forty-seven".