146724455020 has 144 divisors (see below), whose sum is σ = 367195044384. Its totient is φ = 48551731200.

The previous prime is 146724454907. The next prime is 146724455063. The reversal of 146724455020 is 20554427641.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14412172 + ... + 14422348.

It is an arithmetic number, because the mean of its divisors is an integer number (2549965586).

Almost surely, 2^146724455020 is an apocalyptic number.

146724455020 is a gapful number since it is divisible by the number (10) 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 146724455020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183597522192).

146724455020 is an abundant number, since it is smaller than the sum of its proper divisors (220470589364).

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

146724455020 is a wasteful number, since it uses less digits than its factorization.

146724455020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10352 (or 10279 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 146724455020 in words is "one hundred forty-six billion, seven hundred twenty-four million, four hundred fifty-five thousand, twenty".