143725137 has 8 divisors (see below), whose sum is σ = 199965504. Its totient is φ = 91650768.

The previous prime is 143725133. The next prime is 143725147. The reversal of 143725137 is 731527341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143725137 - 2² = 143725133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143725098 and 143725107.

It is not an unprimeable number, because it can be changed into a prime (143725133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041418 + ... + 1041555.

It is an arithmetic number, because the mean of its divisors is an integer number (24995688).

Almost surely, 2^143725137 is an apocalyptic number.

It is an amenable number.

143725137 is a deficient number, since it is larger than the sum of its proper divisors (56240367).

143725137 is a wasteful number, since it uses less digits than its factorization.

143725137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082999.

The product of its digits is 17640, while the sum is 33.

The square root of 143725137 is about 11988.5419046688. The cubic root of 143725137 is about 523.8145734469.

The spelling of 143725137 in words is "one hundred forty-three million, seven hundred twenty-five thousand, one hundred thirty-seven".