125141945 has 8 divisors (see below), whose sum is σ = 150706440. Its totient is φ = 99756160.

The previous prime is 125141909. The next prime is 125141953. The reversal of 125141945 is 549141521.

It can be written as a sum of positive squares in 4 ways, for example, as 6310144 + 118831801 = 2512^2 + 10901^2 .

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

It is not a de Polignac number, because 125141945 - 2¹⁰ = 125140921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43130 + ... + 45939.

It is an arithmetic number, because the mean of its divisors is an integer number (18838305).

Almost surely, 2^125141945 is an apocalyptic number.

It is an amenable number.

125141945 is a deficient number, since it is larger than the sum of its proper divisors (25564495).

125141945 is an equidigital number, since it uses as much as digits as its factorization.

125141945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89355.

The product of its digits is 7200, while the sum is 32.

The square root of 125141945 is about 11186.6860597766. The cubic root of 125141945 is about 500.1891884065.

The spelling of 125141945 in words is "one hundred twenty-five million, one hundred forty-one thousand, nine hundred forty-five".