143461216 has 12 divisors (see below), whose sum is σ = 282439332. Its totient is φ = 71730592.

The previous prime is 143461207. The next prime is 143461217. The reversal of 143461216 is 612164341.

It is a super-2 number, since 2×143461216² = 41162240992397312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143461217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2241550 + ... + 2241613.

It is an arithmetic number, because the mean of its divisors is an integer number (23536611).

Almost surely, 2^143461216 is an apocalyptic number.

143461216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

143461216 is a deficient number, since it is larger than the sum of its proper divisors (138978116).

143461216 is an equidigital number, since it uses as much as digits as its factorization.

143461216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483173 (or 4483165 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 143461216 is about 11977.5296284334. The cubic root of 143461216 is about 523.4937518772.

The spelling of 143461216 in words is "one hundred forty-three million, four hundred sixty-one thousand, two hundred sixteen".