143923425 has 12 divisors (see below), whose sum is σ = 237953520. Its totient is φ = 76759120.

The previous prime is 143923391. The next prime is 143923427. The reversal of 143923425 is 524329341.

It is not a de Polignac number, because 143923425 - 2¹⁴ = 143907041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143923427) 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, 959415 + ... + 959564.

It is an arithmetic number, because the mean of its divisors is an integer number (19829460).

Almost surely, 2^143923425 is an apocalyptic number.

143923425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143923425 is a deficient number, since it is larger than the sum of its proper divisors (94030095).

143923425 is a wasteful number, since it uses less digits than its factorization.

143923425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918992 (or 1918987 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 143923425 is about 11996.8089507169. The cubic root of 143923425 is about 524.0553534458.

The spelling of 143923425 in words is "one hundred forty-three million, nine hundred twenty-three thousand, four hundred twenty-five".