1545125 has 16 divisors (see below), whose sum is σ = 1976832. Its totient is φ = 1205200.

The previous prime is 1545121. The next prime is 1545127. The reversal of 1545125 is 5215451.

It is a happy number.

It is not a de Polignac number, because 1545125 - 2² = 1545121 is a prime.

It is a super-2 number, since 2×1545125² = 4774822531250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1545125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5744 + ... + 6006.

It is an arithmetic number, because the mean of its divisors is an integer number (123552).

2^1545125 is an apocalyptic number.

It is an amenable number.

1545125 is a deficient number, since it is larger than the sum of its proper divisors (431707).

1545125 is an equidigital number, since it uses as much as digits as its factorization.

1545125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 315 counting only the distinct ones).

The product of its digits is 1000, while the sum is 23.

The square root of 1545125 is about 1243.0305708228. The cubic root of 1545125 is about 115.6079960386.

The spelling of 1545125 in words is "one million, five hundred forty-five thousand, one hundred twenty-five".