143540325 has 36 divisors (see below), whose sum is σ = 257765248. Its totient is φ = 76356000.

The previous prime is 143540311. The next prime is 143540347. The reversal of 143540325 is 523045341.

It is not a de Polignac number, because 143540325 - 2¹⁰ = 143539301 is a prime.

It is a super-2 number, since 2×143540325² = 41207649802211250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 136050 + ... + 137100.

Almost surely, 2^143540325 is an apocalyptic number.

143540325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143540325 is a deficient number, since it is larger than the sum of its proper divisors (114224923).

143540325 is a wasteful number, since it uses less digits than its factorization.

143540325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 143540325 is about 11980.8315654632. The cubic root of 143540325 is about 523.5899578032.

Adding to 143540325 its reverse (523045341), we get a palindrome (666585666).

The spelling of 143540325 in words is "one hundred forty-three million, five hundred forty thousand, three hundred twenty-five".