143245531956 has 24 divisors (see below), whose sum is σ = 351831131680. Its totient is φ = 45235431072.

The previous prime is 143245531943. The next prime is 143245531969. The reversal of 143245531956 is 659135542341.

143245531956 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (143245531943) and next prime (143245531969).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314134711 + ... + 314135166.

Almost surely, 2^143245531956 is an apocalyptic number.

It is an amenable number.

143245531956 is an abundant number, since it is smaller than the sum of its proper divisors (208585599724).

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

143245531956 is a wasteful number, since it uses less digits than its factorization.

143245531956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628269903 (or 628269901 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 48.

The spelling of 143245531956 in words is "one hundred forty-three billion, two hundred forty-five million, five hundred thirty-one thousand, nine hundred fifty-six".