148431192 has 256 divisors, whose sum is σ = 497280000. Its totient is φ = 36578304.

The previous prime is 148431191. The next prime is 148431203. The reversal of 148431192 is 291134841.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148431191) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2033268 + ... + 2033340.

It is an arithmetic number, because the mean of its divisors is an integer number (1942500).

Almost surely, 2^148431192 is an apocalyptic number.

148431192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148431192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248640000).

148431192 is an abundant number, since it is smaller than the sum of its proper divisors (348848808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148431192 is a wasteful number, since it uses less digits than its factorization.

148431192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 117 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 148431192 is about 12183.2340534031. The cubic root of 148431192 is about 529.4704476940.

The spelling of 148431192 in words is "one hundred forty-eight million, four hundred thirty-one thousand, one hundred ninety-two".