149584162140 has 144 divisors (see below), whose sum is σ = 519599808000. Its totient is φ = 34122003840.

The previous prime is 149584162139. The next prime is 149584162177. The reversal of 149584162140 is 41261485941.

149584162140 is a `hidden beast` number, since 1 + 4 + 9 + 584 + 1 + 6 + 21 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 509785 + ... + 747695.

It is an arithmetic number, because the mean of its divisors is an integer number (3608332000).

Almost surely, 2^149584162140 is an apocalyptic number.

149584162140 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 149584162140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259799904000).

149584162140 is an abundant number, since it is smaller than the sum of its proper divisors (370015645860).

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

149584162140 is a wasteful number, since it uses less digits than its factorization.

149584162140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238432 (or 238427 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 149584162140 in words is "one hundred forty-nine billion, five hundred eighty-four million, one hundred sixty-two thousand, one hundred forty".