125743345 has 16 divisors (see below), whose sum is σ = 185713920. Its totient is φ = 79591104.

The previous prime is 125743313. The next prime is 125743357. The reversal of 125743345 is 543347521.

It is a cyclic number.

It is not a de Polignac number, because 125743345 - 2⁵ = 125743313 is a prime.

It is a super-2 number, since 2×125743345² = 31622777623578050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125743345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137725 + ... + 138634.

It is an arithmetic number, because the mean of its divisors is an integer number (11607120).

Almost surely, 2^125743345 is an apocalyptic number.

It is an amenable number.

125743345 is a deficient number, since it is larger than the sum of its proper divisors (59970575).

125743345 is a wasteful number, since it uses less digits than its factorization.

125743345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276384.

The product of its digits is 50400, while the sum is 34.

The square root of 125743345 is about 11213.5340102931. The cubic root of 125743345 is about 500.9891684677.

The spelling of 125743345 in words is "one hundred twenty-five million, seven hundred forty-three thousand, three hundred forty-five".