143563420 has 192 divisors, whose sum is σ = 414554112. Its totient is φ = 40320000.

The previous prime is 143563393. The next prime is 143563451. The reversal of 143563420 is 24365341.

It is a super-2 number, since 2×143563420² = 41220911124192800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1421370 + ... + 1421470.

It is an arithmetic number, because the mean of its divisors is an integer number (2159136).

Almost surely, 2^143563420 is an apocalyptic number.

143563420 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 143563420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207277056).

143563420 is an abundant number, since it is smaller than the sum of its proper divisors (270990692).

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

143563420 is a wasteful number, since it uses less digits than its factorization.

143563420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 143563420 is about 11981.7953579587. The cubic root of 143563420 is about 523.6180373960.

The spelling of 143563420 in words is "one hundred forty-three million, five hundred sixty-three thousand, four hundred twenty".