146521371500 has 48 divisors (see below), whose sum is σ = 365717352000. Its totient is φ = 50235897600.

The previous prime is 146521371457. The next prime is 146521371509. The reversal of 146521371500 is 5173125641.

It is a happy number.

146521371500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (146521371509) 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 15 ways as a sum of consecutive naturals, for example, 20928125 + ... + 20935124.

It is an arithmetic number, because the mean of its divisors is an integer number (7619111500).

Almost surely, 2^146521371500 is an apocalyptic number.

146521371500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146521371500 is an abundant number, since it is smaller than the sum of its proper divisors (219195980500).

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

146521371500 is a wasteful number, since it uses less digits than its factorization.

146521371500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41863275 (or 41863263 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 146521371500 in words is "one hundred forty-six billion, five hundred twenty-one million, three hundred seventy-one thousand, five hundred".