149865140 has 24 divisors (see below), whose sum is σ = 321414912. Its totient is φ = 58670240.

The previous prime is 149865101. The next prime is 149865151. The reversal of 149865140 is 41568941.

149865140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 149865094 and 149865103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78776 + ... + 80655.

It is an arithmetic number, because the mean of its divisors is an integer number (13392288).

Almost surely, 2^149865140 is an apocalyptic number.

149865140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149865140 is an abundant number, since it is smaller than the sum of its proper divisors (171549772).

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

149865140 is a wasteful number, since it uses less digits than its factorization.

149865140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159487 (or 159485 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 149865140 is about 12241.9418394305. The cubic root of 149865140 is about 531.1700033640.

The spelling of 149865140 in words is "one hundred forty-nine million, eight hundred sixty-five thousand, one hundred forty".