143425252431540 has 72 divisors (see below), whose sum is σ = 445174194392928. Its totient is φ = 37357275049920.

The previous prime is 143425252431533. The next prime is 143425252431551. The reversal of 143425252431540 is 45134252524341.

143425252431540 is a `hidden beast` number, since 1 + 4 + 3 + 4 + 2 + 52 + 5 + 24 + 31 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9265189446 + ... + 9265204925.

It is an arithmetic number, because the mean of its divisors is an integer number (6182974922124).

Almost surely, 2^{143425252431540} is an apocalyptic number.

143425252431540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143425252431540 is an abundant number, since it is smaller than the sum of its proper divisors (301748941961388).

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

143425252431540 is a wasteful number, since it uses less digits than its factorization.

143425252431540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18530394429 (or 18530394424 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

The spelling of 143425252431540 in words is "one hundred forty-three trillion, four hundred twenty-five billion, two hundred fifty-two million, four hundred thirty-one thousand, five hundred forty".