142553155212 has 72 divisors (see below), whose sum is σ = 388474959600. Its totient is φ = 43815761280.

The previous prime is 142553155139. The next prime is 142553155237. The reversal of 142553155212 is 212551355241.

142553155212 is a `hidden beast` number, since 1 + 42 + 5 + 53 + 1 + 552 + 12 = 666.

It is a super-3 number, since 3×142553155212³ (a number of 34 digits) contains 333 as substring.

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 23 ways as a sum of consecutive naturals, for example, 278539 + ... + 602237.

It is an arithmetic number, because the mean of its divisors is an integer number (5395485550).

Almost surely, 2^142553155212 is an apocalyptic number.

142553155212 is a gapful number since it is divisible by the number (12) 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 142553155212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194237479800).

142553155212 is an abundant number, since it is smaller than the sum of its proper divisors (245921804388).

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

142553155212 is a wasteful number, since it uses less digits than its factorization.

142553155212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324663 (or 324658 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The spelling of 142553155212 in words is "one hundred forty-two billion, five hundred fifty-three million, one hundred fifty-five thousand, two hundred twelve".