149473340 has 48 divisors (see below), whose sum is σ = 326911872. Its totient is φ = 57355776.

The previous prime is 149473339. The next prime is 149473369. The reversal of 149473340 is 43374941.

149473340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 149473340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52637 + ... + 55403.

It is an arithmetic number, because the mean of its divisors is an integer number (6810664).

Almost surely, 2^149473340 is an apocalyptic number.

149473340 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 149473340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163455936).

149473340 is an abundant number, since it is smaller than the sum of its proper divisors (177438532).

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

149473340 is a wasteful number, since it uses less digits than its factorization.

149473340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886 (or 2884 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 149473340 is about 12225.9290035563. The cubic root of 149473340 is about 530.7067112095.

The spelling of 149473340 in words is "one hundred forty-nine million, four hundred seventy-three thousand, three hundred forty".