149501340 has 72 divisors (see below), whose sum is σ = 462073248. Its totient is φ = 39112320.

The previous prime is 149501333. The next prime is 149501353. The reversal of 149501340 is 43105941.

149501340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1705 + ... + 17375.

It is an arithmetic number, because the mean of its divisors is an integer number (6417684).

Almost surely, 2^149501340 is an apocalyptic number.

149501340 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 149501340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231036624).

149501340 is an abundant number, since it is smaller than the sum of its proper divisors (312571908).

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

149501340 is a wasteful number, since it uses less digits than its factorization.

149501340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15739 (or 15734 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 149501340 is about 12227.0740571896. The cubic root of 149501340 is about 530.7398472416.

It can be divided in two parts, 14950 and 1340, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 149501340 in words is "one hundred forty-nine million, five hundred one thousand, three hundred forty".