154545621532 has 12 divisors (see below), whose sum is σ = 271646270280. Its totient is φ = 76932401456.

The previous prime is 154545621509. The next prime is 154545621533. The reversal of 154545621532 is 235126545451.

154545621532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154545621533) 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 3 ways as a sum of consecutive naturals, for example, 85101307 + ... + 85103122.

It is an arithmetic number, because the mean of its divisors is an integer number (22637189190).

Almost surely, 2^154545621532 is an apocalyptic number.

It is an amenable number.

154545621532 is a deficient number, since it is larger than the sum of its proper divisors (117100648748).

154545621532 is a wasteful number, since it uses less digits than its factorization.

154545621532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170204660 (or 170204658 counting only the distinct ones).

The product of its digits is 720000, while the sum is 43.

The spelling of 154545621532 in words is "one hundred fifty-four billion, five hundred forty-five million, six hundred twenty-one thousand, five hundred thirty-two".