149571270 has 96 divisors (see below), whose sum is σ = 426085920. Its totient is φ = 36234240.

The previous prime is 149571259. The next prime is 149571283. The reversal of 149571270 is 72175941.

It is a happy number.

149571270 is a `hidden beast` number, since 14 + 9 + 571 + 2 + 70 = 666.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 42685 + ... + 46055.

It is an arithmetic number, because the mean of its divisors is an integer number (4438395).

Almost surely, 2^149571270 is an apocalyptic number.

149571270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 149571270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213042960).

149571270 is an abundant number, since it is smaller than the sum of its proper divisors (276514650).

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

149571270 is a wasteful number, since it uses less digits than its factorization.

149571270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430 (or 3427 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 149571270 is about 12229.9333604072. The cubic root of 149571270 is about 530.8225864156.

The spelling of 149571270 in words is "one hundred forty-nine million, five hundred seventy-one thousand, two hundred seventy".