148457271 has 8 divisors (see below), whose sum is σ = 198511600. Its totient is φ = 98687232.

The previous prime is 148457219. The next prime is 148457297. The reversal of 148457271 is 172754841.

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

It is not a de Polignac number, because 148457271 - 2²² = 144262967 is a prime.

It is a super-2 number, since 2×148457271² = 44079122625534882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148457201) 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, 69850 + ... + 71943.

It is an arithmetic number, because the mean of its divisors is an integer number (24813950).

Almost surely, 2^148457271 is an apocalyptic number.

148457271 is a deficient number, since it is larger than the sum of its proper divisors (50054329).

148457271 is a wasteful number, since it uses less digits than its factorization.

148457271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142145.

The product of its digits is 62720, while the sum is 39.

The square root of 148457271 is about 12184.3042887151. The cubic root of 148457271 is about 529.5014547688.

The spelling of 148457271 in words is "one hundred forty-eight million, four hundred fifty-seven thousand, two hundred seventy-one".