148055231 has 4 divisors (see below), whose sum is σ = 148235952. Its totient is φ = 147874512.

The previous prime is 148055207. The next prime is 148055233. The reversal of 148055231 is 132550841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132550841 = 251 ⋅528091.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148055231 is a prime.

It is a super-2 number, since 2×148055231² = 43840702852926722, 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 = 148055194 and 148055203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148055233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89126 + ... + 90771.

It is an arithmetic number, because the mean of its divisors is an integer number (37058988).

Almost surely, 2^148055231 is an apocalyptic number.

148055231 is a deficient number, since it is larger than the sum of its proper divisors (180721).

148055231 is an equidigital number, since it uses as much as digits as its factorization.

148055231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180720.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 148055231 is about 12167.7948289737. The cubic root of 148055231 is about 529.0230382701.

The spelling of 148055231 in words is "one hundred forty-eight million, fifty-five thousand, two hundred thirty-one".