148023831 has 4 divisors (see below), whose sum is σ = 197365112. Its totient is φ = 98682552.

The previous prime is 148023829. The next prime is 148023833. The reversal of 148023831 is 138320841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 138320841 = 3 ⋅46106947.

It is an interprime number because it is at equal distance from previous prime (148023829) and next prime (148023833).

It is not a de Polignac number, because 148023831 - 2¹ = 148023829 is a prime.

It is a super-2 number, since 2×148023831² = 43822109087833122, 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 (148023833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24670636 + ... + 24670641.

It is an arithmetic number, because the mean of its divisors is an integer number (49341278).

Almost surely, 2^148023831 is an apocalyptic number.

148023831 is a deficient number, since it is larger than the sum of its proper divisors (49341281).

148023831 is an equidigital number, since it uses as much as digits as its factorization.

148023831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49341280.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 148023831 is about 12166.5044692385. The cubic root of 148023831 is about 528.9856366920.

The spelling of 148023831 in words is "one hundred forty-eight million, twenty-three thousand, eight hundred thirty-one".