147550021200 has 600 divisors, whose sum is σ = 539573607936. Its totient is φ = 38610432000.

The previous prime is 147550021169. The next prime is 147550021237. The reversal of 147550021200 is 2120055741.

147550021200 is a `hidden beast` number, since 147 + 5 + 500 + 2 + 12 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (600).

It is a super-2 number, since 2×147550021200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 699289095 + ... + 699289305.

Almost surely, 2^147550021200 is an apocalyptic number.

147550021200 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 147550021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269786803968).

147550021200 is an abundant number, since it is smaller than the sum of its proper divisors (392023586736).

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

147550021200 is a wasteful number, since it uses less digits than its factorization.

147550021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

Adding to 147550021200 its reverse (2120055741), we get a palindrome (149670076941).

The spelling of 147550021200 in words is "one hundred forty-seven billion, five hundred fifty million, twenty-one thousand, two hundred".