148239900 has 108 divisors (see below), whose sum is σ = 489161400. Its totient is φ = 37445760.

The previous prime is 148239893. The next prime is 148239901. The reversal of 148239900 is 9932841.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148239901) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12766 + ... + 21434.

Almost surely, 2^148239900 is an apocalyptic number.

148239900 is a gapful number since it is divisible by the number (10) 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 148239900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244580700).

148239900 is an abundant number, since it is smaller than the sum of its proper divisors (340921500).

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

148239900 is a wasteful number, since it uses less digits than its factorization.

148239900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8708 (or 8698 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 148239900 is about 12175.3808975325. The cubic root of 148239900 is about 529.2428966861.

The spelling of 148239900 in words is "one hundred forty-eight million, two hundred thirty-nine thousand, nine hundred".