14545533420 has 144 divisors (see below), whose sum is σ = 49740872160. Its totient is φ = 3526174080.

The previous prime is 14545533419. The next prime is 14545533433. The reversal of 14545533420 is 2433554541.

14545533420 is a `hidden beast` number, since 1 + 4 + 54 + 553 + 34 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 45967 + ... + 176646.

Almost surely, 2^14545533420 is an apocalyptic number.

14545533420 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 14545533420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24870436080).

14545533420 is an abundant number, since it is smaller than the sum of its proper divisors (35195338740).

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

14545533420 is a wasteful number, since it uses less digits than its factorization.

14545533420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222653 (or 222634 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 14545533420 in words is "fourteen billion, five hundred forty-five million, five hundred thirty-three thousand, four hundred twenty".