143661364 has 36 divisors (see below), whose sum is σ = 315824992. Its totient is φ = 55970640.

The previous prime is 143661361. The next prime is 143661367. The reversal of 143661364 is 463166341.

It is an interprime number because it is at equal distance from previous prime (143661361) and next prime (143661367).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143661361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17814 + ... + 24589.

Almost surely, 2^143661364 is an apocalyptic number.

143661364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

143661364 is an abundant number, since it is smaller than the sum of its proper divisors (172163628).

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

143661364 is a wasteful number, since it uses less digits than its factorization.

143661364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42436 (or 42423 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 143661364 is about 11985.8818615903. The cubic root of 143661364 is about 523.7370871897.

The spelling of 143661364 in words is "one hundred forty-three million, six hundred sixty-one thousand, three hundred sixty-four".