149906501584 has 80 divisors (see below), whose sum is σ = 336567029760. Its totient is φ = 63354533760.

The previous prime is 149906501579. The next prime is 149906501603. The reversal of 149906501584 is 485105609941.

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, 2729919 + ... + 2784289.

It is an arithmetic number, because the mean of its divisors is an integer number (4207087872).

Almost surely, 2^149906501584 is an apocalyptic number.

149906501584 is a gapful number since it is divisible by the number (14) 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 149906501584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168283514880).

149906501584 is an abundant number, since it is smaller than the sum of its proper divisors (186660528176).

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

149906501584 is a wasteful number, since it uses less digits than its factorization.

149906501584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54728 (or 54722 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 149906501584 in words is "one hundred forty-nine billion, nine hundred six million, five hundred one thousand, five hundred eighty-four".