148423851 has 12 divisors (see below), whose sum is σ = 214747728. Its totient is φ = 98784144.

The previous prime is 148423841. The next prime is 148423859. The reversal of 148423851 is 158324841.

It is not a de Polignac number, because 148423851 - 2²⁷ = 14206123 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (148423859) 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 11 ways as a sum of consecutive naturals, for example, 7935 + ... + 18968.

It is an arithmetic number, because the mean of its divisors is an integer number (17895644).

Almost surely, 2^148423851 is an apocalyptic number.

148423851 is a deficient number, since it is larger than the sum of its proper divisors (66323877).

148423851 is a wasteful number, since it uses less digits than its factorization.

148423851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27522 (or 27519 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 148423851 is about 12182.9327749931. The cubic root of 148423851 is about 529.4617188310.

The spelling of 148423851 in words is "one hundred forty-eight million, four hundred twenty-three thousand, eight hundred fifty-one".