1545051342425 has 24 divisors (see below), whose sum is σ = 1932718484856. Its totient is φ = 1225193840640.

The previous prime is 1545051342397. The next prime is 1545051342481. The reversal of 1545051342425 is 5242431505451.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 369017371024 + 1176033971401 = 607468^2 + 1084451^2 .

It is not a de Polignac number, because 1545051342425 - 2⁶ = 1545051342361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1969877 + ... + 2640173.

It is an arithmetic number, because the mean of its divisors is an integer number (80529936869).

Almost surely, 2^{1545051342425} is an apocalyptic number.

It is an amenable number.

1545051342425 is a deficient number, since it is larger than the sum of its proper divisors (387667142431).

1545051342425 is a wasteful number, since it uses less digits than its factorization.

1545051342425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671117 (or 671112 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 1545051342425 its reverse (5242431505451), we get a palindrome (6787482847876).

The spelling of 1545051342425 in words is "one trillion, five hundred forty-five billion, fifty-one million, three hundred forty-two thousand, four hundred twenty-five".