143425540 has 24 divisors (see below), whose sum is σ = 302883840. Its totient is φ = 57048288.

The previous prime is 143425537. The next prime is 143425553. The reversal of 143425540 is 45524341.

It is a junction number, because it is equal to n+sod(n) for n = 143425499 and 143425508.

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, 16452 + ... + 23611.

It is an arithmetic number, because the mean of its divisors is an integer number (12620160).

Almost surely, 2^143425540 is an apocalyptic number.

143425540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143425540 is an abundant number, since it is smaller than the sum of its proper divisors (159458300).

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

143425540 is a wasteful number, since it uses less digits than its factorization.

143425540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40251 (or 40249 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 143425540 is about 11976.0402470934. The cubic root of 143425540 is about 523.4503540587.

Adding to 143425540 its reverse (45524341), we get a palindrome (188949881).

The spelling of 143425540 in words is "one hundred forty-three million, four hundred twenty-five thousand, five hundred forty".