149824836 has 96 divisors (see below), whose sum is σ = 451584000. Its totient is φ = 42069024.

The previous prime is 149824819. The next prime is 149824837. The reversal of 149824836 is 638428941.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 149824791 and 149824800.

It is not an unprimeable number, because it can be changed into a prime (149824837) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42925 + ... + 46283.

It is an arithmetic number, because the mean of its divisors is an integer number (4704000).

Almost surely, 2^149824836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149824836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225792000).

149824836 is an abundant number, since it is smaller than the sum of its proper divisors (301759164).

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

149824836 is a wasteful number, since it uses less digits than its factorization.

149824836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438 (or 3430 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 149824836 is about 12240.2955846662. The cubic root of 149824836 is about 531.1223823379.

The spelling of 149824836 in words is "one hundred forty-nine million, eight hundred twenty-four thousand, eight hundred thirty-six".