148169239 has 16 divisors (see below), whose sum is σ = 160128000. Its totient is φ = 136659744.

The previous prime is 148169233. The next prime is 148169251. The reversal of 148169239 is 932961841.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 148169239 - 2⁷ = 148169111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148169195 and 148169204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148169233) 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 15 ways as a sum of consecutive naturals, for example, 247062 + ... + 247660.

It is an arithmetic number, because the mean of its divisors is an integer number (10008000).

Almost surely, 2^148169239 is an apocalyptic number.

148169239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

148169239 is a deficient number, since it is larger than the sum of its proper divisors (11958761).

148169239 is a wasteful number, since it uses less digits than its factorization.

148169239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942.

The product of its digits is 93312, while the sum is 43.

The square root of 148169239 is about 12172.4787533189. The cubic root of 148169239 is about 529.1587925282.

The spelling of 148169239 in words is "one hundred forty-eight million, one hundred sixty-nine thousand, two hundred thirty-nine".