1545431274036 has 72 divisors (see below), whose sum is σ = 4213222411944. Its totient is φ = 474814828800.

The previous prime is 1545431274019. The next prime is 1545431274053. The reversal of 1545431274036 is 6304721345451.

1545431274036 is a `hidden beast` number, since 1 + 5 + 4 + 543 + 1 + 2 + 74 + 0 + 36 = 666.

It is an interprime number because it is at equal distance from previous prime (1545431274019) and next prime (1545431274053).

It can be written as a sum of positive squares in 4 ways, for example, as 647284611600 + 898146662436 = 804540^2 + 947706^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1545431273982 and 1545431274000.

It is a congruent 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, 2122015 + ... + 2755686.

Almost surely, 2^{1545431274036} is an apocalyptic number.

It is an amenable number.

1545431274036 is an abundant number, since it is smaller than the sum of its proper divisors (2667791137908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1545431274036 is a wasteful number, since it uses less digits than its factorization.

1545431274036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878401 (or 4878396 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 1545431274036 in words is "one trillion, five hundred forty-five billion, four hundred thirty-one million, two hundred seventy-four thousand, thirty-six".