149134747528 has 32 divisors (see below), whose sum is σ = 304242001560. Its totient is φ = 68121815040.

The previous prime is 149134747523. The next prime is 149134747571. The reversal of 149134747528 is 825747431941.

It is a happy number.

149134747528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 123916672324 + 25218075204 = 352018^2 + 158802^2 .

It is a super-2 number, since 2×149134747528² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149134747523) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7381603 + ... + 7401778.

Almost surely, 2^149134747528 is an apocalyptic number.

It is an amenable number.

149134747528 is an abundant number, since it is smaller than the sum of its proper divisors (155107254032).

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

149134747528 is a wasteful number, since it uses less digits than its factorization.

149134747528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14783497 (or 14783493 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 55.

The spelling of 149134747528 in words is "one hundred forty-nine billion, one hundred thirty-four million, seven hundred forty-seven thousand, five hundred twenty-eight".