149501549568 has 220 divisors, whose sum is σ = 464884098760. Its totient is φ = 42712621056.

The previous prime is 149501549567. The next prime is 149501549569. The reversal of 149501549568 is 865945105941.

It is an interprime number because it is at equal distance from previous prime (149501549567) and next prime (149501549569).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149501549567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7365738 + ... + 7386006.

Almost surely, 2^149501549568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149501549568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232442049380).

149501549568 is an abundant number, since it is smaller than the sum of its proper divisors (315382549192).

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

149501549568 is an frugal number, since it uses more digits than its factorization.

149501549568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20320 (or 20281 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 57.

The spelling of 149501549568 in words is "one hundred forty-nine billion, five hundred one million, five hundred forty-nine thousand, five hundred sixty-eight".