148556231 has 8 divisors (see below), whose sum is σ = 156692400. Its totient is φ = 140451840.

The previous prime is 148556207. The next prime is 148556249. The reversal of 148556231 is 132655841.

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 148556231 - 2¹⁴ = 148539847 is a prime.

It is a super-2 number, since 2×148556231² = 44137907537850722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148556191 and 148556200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148556201) 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, 1991 + ... + 17351.

It is an arithmetic number, because the mean of its divisors is an integer number (19586550).

Almost surely, 2^148556231 is an apocalyptic number.

148556231 is a deficient number, since it is larger than the sum of its proper divisors (8136169).

148556231 is a wasteful number, since it uses less digits than its factorization.

148556231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15889.

The product of its digits is 28800, while the sum is 35.

The square root of 148556231 is about 12188.3645744620. The cubic root of 148556231 is about 529.6190819373.

The spelling of 148556231 in words is "one hundred forty-eight million, five hundred fifty-six thousand, two hundred thirty-one".