149534590452 has 192 divisors, whose sum is σ = 394397095680. Its totient is φ = 43778359296.

The previous prime is 149534590427. The next prime is 149534590463. The reversal of 149534590452 is 254095435941.

149534590452 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 = 149534590395 and 149534590404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128576023 + ... + 128577185.

It is an arithmetic number, because the mean of its divisors is an integer number (2054151540).

Almost surely, 2^149534590452 is an apocalyptic number.

149534590452 is a gapful number since it is divisible by the number (12) 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 149534590452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197198547840).

149534590452 is an abundant number, since it is smaller than the sum of its proper divisors (244862505228).

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

149534590452 is a wasteful number, since it uses less digits than its factorization.

149534590452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 149534590452 in words is "one hundred forty-nine billion, five hundred thirty-four million, five hundred ninety thousand, four hundred fifty-two".