149345812 has 48 divisors (see below), whose sum is σ = 331228800. Its totient is φ = 57225600.

The previous prime is 149345767. The next prime is 149345813. The reversal of 149345812 is 218543941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149345813) 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, 14814 + ... + 22762.

It is an arithmetic number, because the mean of its divisors is an integer number (6900600).

Almost surely, 2^149345812 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 149345812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165614400).

149345812 is an abundant number, since it is smaller than the sum of its proper divisors (181882988).

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

149345812 is a wasteful number, since it uses less digits than its factorization.

149345812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8032 (or 8030 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 149345812 is about 12220.7124178585. The cubic root of 149345812 is about 530.5557384176. Note that the first 3 decimals are identical.

The spelling of 149345812 in words is "one hundred forty-nine million, three hundred forty-five thousand, eight hundred twelve".