143561120904 has 64 divisors (see below), whose sum is σ = 398821737600. Its totient is φ = 47848805568.

The previous prime is 143561120903. The next prime is 143561120909. The reversal of 143561120904 is 409021165341.

It is a happy number.

143561120904 is a `hidden beast` number, since 1 + 4 + 3 + 561 + 1 + 2 + 0 + 90 + 4 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (143561120903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2523477 + ... + 2579739.

It is an arithmetic number, because the mean of its divisors is an integer number (6231589650).

Almost surely, 2^143561120904 is an apocalyptic number.

It is an amenable number.

143561120904 is an abundant number, since it is smaller than the sum of its proper divisors (255260616696).

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

143561120904 is a wasteful number, since it uses less digits than its factorization.

143561120904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68091 (or 68081 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 143561120904 in words is "one hundred forty-three billion, five hundred sixty-one million, one hundred twenty thousand, nine hundred four".