140143425 has 48 divisors (see below), whose sum is σ = 239984640. Its totient is φ = 72120640.

The previous prime is 140143403. The next prime is 140143463. The reversal of 140143425 is 524341041.

It is not a de Polignac number, because 140143425 - 2²⁰ = 139094849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140143395 and 140143404.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 292336 + ... + 292814.

It is an arithmetic number, because the mean of its divisors is an integer number (4999680).

Almost surely, 2^140143425 is an apocalyptic number.

140143425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140143425 is a deficient number, since it is larger than the sum of its proper divisors (99841215).

140143425 is a wasteful number, since it uses less digits than its factorization.

140143425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 140143425 is about 11838.2188271716. The cubic root of 140143425 is about 519.4266671598.

Adding to 140143425 its reverse (524341041), we get a palindrome (664484466).

The spelling of 140143425 in words is "one hundred forty million, one hundred forty-three thousand, four hundred twenty-five".