143422620 has 48 divisors (see below), whose sum is σ = 438092928. Its totient is φ = 34768960.

The previous prime is 143422607. The next prime is 143422639. The reversal of 143422620 is 26224341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107994 + ... + 109313.

It is an arithmetic number, because the mean of its divisors is an integer number (9126936).

Almost surely, 2^143422620 is an apocalyptic number.

143422620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143422620 is an abundant number, since it is smaller than the sum of its proper divisors (294670308).

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

143422620 is a wasteful number, since it uses less digits than its factorization.

143422620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217330 (or 217328 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 143422620 is about 11975.9183363949. The cubic root of 143422620 is about 523.4468017267.

Adding to 143422620 its reverse (26224341), we get a palindrome (169646961).

The spelling of 143422620 in words is "one hundred forty-three million, four hundred twenty-two thousand, six hundred twenty".