1545494125 has 16 divisors (see below), whose sum is σ = 2204317440. Its totient is φ = 1059766800.

The previous prime is 1545494087. The next prime is 1545494147. The reversal of 1545494125 is 5214945451.

It is not a de Polignac number, because 1545494125 - 2²⁷ = 1411276397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882265 + ... + 884014.

It is an arithmetic number, because the mean of its divisors is an integer number (137769840).

Almost surely, 2^1545494125 is an apocalyptic number.

It is an amenable number.

1545494125 is a deficient number, since it is larger than the sum of its proper divisors (658823315).

1545494125 is an equidigital number, since it uses as much as digits as its factorization.

1545494125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766301 (or 1766291 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The square root of 1545494125 is about 39312.7730515160. The cubic root of 1545494125 is about 1156.1720142191.

The spelling of 1545494125 in words is "one billion, five hundred forty-five million, four hundred ninety-four thousand, one hundred twenty-five".