125442345 has 64 divisors (see below), whose sum is σ = 241827840. Its totient is φ = 54286848.

The previous prime is 125442341. The next prime is 125442379. The reversal of 125442345 is 543244521.

It is not a de Polignac number, because 125442345 - 2² = 125442341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125442341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 306501 + ... + 306909.

It is an arithmetic number, because the mean of its divisors is an integer number (3778560).

Almost surely, 2^125442345 is an apocalyptic number.

125442345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125442345 is a deficient number, since it is larger than the sum of its proper divisors (116385495).

125442345 is a wasteful number, since it uses less digits than its factorization.

125442345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574.

The product of its digits is 19200, while the sum is 30.

The square root of 125442345 is about 11200.1046870107. The cubic root of 125442345 is about 500.5890989855.

Adding to 125442345 its reverse (543244521), we get a palindrome (668686866).

The spelling of 125442345 in words is "one hundred twenty-five million, four hundred forty-two thousand, three hundred forty-five".