148268831 has 4 divisors (see below), whose sum is σ = 148298664. Its totient is φ = 148239000.

The previous prime is 148268797. The next prime is 148268843. The reversal of 148268831 is 138862841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 138862841 = 13 ⋅10681757.

It is a cyclic number.

It is not a de Polignac number, because 148268831 - 2²² = 144074527 is a prime.

It is a super-2 number, since 2×148268831² = 43967292492213122, 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 (148268881) 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, 5465 + ... + 18066.

It is an arithmetic number, because the mean of its divisors is an integer number (37074666).

Almost surely, 2^148268831 is an apocalyptic number.

148268831 is a deficient number, since it is larger than the sum of its proper divisors (29833).

148268831 is an equidigital number, since it uses as much as digits as its factorization.

148268831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29832.

The product of its digits is 73728, while the sum is 41.

The square root of 148268831 is about 12176.5689338171. The cubic root of 148268831 is about 529.2773240574.

The spelling of 148268831 in words is "one hundred forty-eight million, two hundred sixty-eight thousand, eight hundred thirty-one".