125045345 has 12 divisors (see below), whose sum is σ = 151747860. Its totient is φ = 98911584.

The previous prime is 125045339. The next prime is 125045357. The reversal of 125045345 is 543540521.

It can be written as a sum of positive squares in 2 ways, for example, as 66308449 + 58736896 = 8143^2 + 7664^2 .

It is not a de Polignac number, because 125045345 - 2¹² = 125041249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260816 + ... + 261294.

It is an arithmetic number, because the mean of its divisors is an integer number (12645655).

Almost surely, 2^125045345 is an apocalyptic number.

It is an amenable number.

125045345 is a deficient number, since it is larger than the sum of its proper divisors (26702515).

125045345 is an frugal number, since it uses more digits than its factorization.

125045345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 125045345 is about 11182.3675936717. The cubic root of 125045345 is about 500.0604526906.

Adding to 125045345 its reverse (543540521), we get a palindrome (668585866).

The spelling of 125045345 in words is "one hundred twenty-five million, forty-five thousand, three hundred forty-five".