1532505442145 has 8 divisors (see below), whose sum is σ = 1839033192960. Its totient is φ = 1225986578800.

The previous prime is 1532505442141. The next prime is 1532505442147. The reversal of 1532505442145 is 5412445052351.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1532505442145 - 2² = 1532505442141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1532505442141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1836431 + ... + 2537220.

It is an arithmetic number, because the mean of its divisors is an integer number (229879149120).

Almost surely, 2^{1532505442145} is an apocalyptic number.

It is an amenable number.

1532505442145 is a deficient number, since it is larger than the sum of its proper divisors (306527750815).

1532505442145 is an equidigital number, since it uses as much as digits as its factorization.

1532505442145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443735.

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

The spelling of 1532505442145 in words is "one trillion, five hundred thirty-two billion, five hundred five million, four hundred forty-two thousand, one hundred forty-five".