143466420 has 24 divisors (see below), whose sum is σ = 401706144. Its totient is φ = 38257696.

The previous prime is 143466391. The next prime is 143466431. The reversal of 143466420 is 24664341.

143466420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×143466420² = 41165227335232800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195494 + ... + 1195613.

It is an arithmetic number, because the mean of its divisors is an integer number (16737756).

Almost surely, 2^143466420 is an apocalyptic number.

143466420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143466420 is an abundant number, since it is smaller than the sum of its proper divisors (258239724).

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

143466420 is a wasteful number, since it uses less digits than its factorization.

143466420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2391119 (or 2391117 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 143466420 is about 11977.7468665856. The cubic root of 143466420 is about 523.5000816450.

The spelling of 143466420 in words is "one hundred forty-three million, four hundred sixty-six thousand, four hundred twenty".