1534505315045 has 4 divisors (see below), whose sum is σ = 1841406378060. Its totient is φ = 1227604252032.

The previous prime is 1534505314949. The next prime is 1534505315047. The reversal of 1534505315045 is 5405135054351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1045469440324 + 489035874721 = 1022482^2 + 699311^2 .

It is a cyclic number.

It is not a de Polignac number, because 1534505315045 - 2²² = 1534501120741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1534505314993 and 1534505315011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1534505315047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153450531500 + ... + 153450531509.

It is an arithmetic number, because the mean of its divisors is an integer number (460351594515).

Almost surely, 2^{1534505315045} is an apocalyptic number.

It is an amenable number.

1534505315045 is a deficient number, since it is larger than the sum of its proper divisors (306901063015).

1534505315045 is an equidigital number, since it uses as much as digits as its factorization.

1534505315045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306901063014.

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 1534505315045 in words is "one trillion, five hundred thirty-four billion, five hundred five million, three hundred fifteen thousand, forty-five".