1534887867245 has 32 divisors (see below), whose sum is σ = 1893292380000. Its totient is φ = 1193836216320.

The previous prime is 1534887867241. The next prime is 1534887867361. The reversal of 1534887867245 is 5427687884351.

It can be written as a sum of positive squares in 16 ways, for example, as 1203455074441 + 331432792804 = 1097021^2 + 575702^2 .

It is not a de Polignac number, because 1534887867245 - 2² = 1534887867241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1534887867241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148021421 + ... + 148031789.

It is an arithmetic number, because the mean of its divisors is an integer number (59165386875).

Almost surely, 2^{1534887867245} is an apocalyptic number.

It is an amenable number.

1534887867245 is a deficient number, since it is larger than the sum of its proper divisors (358404512755).

1534887867245 is a wasteful number, since it uses less digits than its factorization.

1534887867245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12833.

The product of its digits is 361267200, while the sum is 68.

The spelling of 1534887867245 in words is "one trillion, five hundred thirty-four billion, eight hundred eighty-seven million, eight hundred sixty-seven thousand, two hundred forty-five".