1542636365145 has 8 divisors (see below), whose sum is σ = 2468218184256. Its totient is φ = 822739394736.

The previous prime is 1542636365131. The next prime is 1542636365147. The reversal of 1542636365145 is 5415636362451.

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 1542636365145 - 2¹⁶ = 1542636299609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1542636365147) 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, 51421212157 + ... + 51421212186.

It is an arithmetic number, because the mean of its divisors is an integer number (308527273032).

Almost surely, 2^{1542636365145} is an apocalyptic number.

1542636365145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1542636365145 is a deficient number, since it is larger than the sum of its proper divisors (925581819111).

1542636365145 is a wasteful number, since it uses less digits than its factorization.

1542636365145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102842424351.

The product of its digits is 7776000, while the sum is 51.

The spelling of 1542636365145 in words is "one trillion, five hundred forty-two billion, six hundred thirty-six million, three hundred sixty-five thousand, one hundred forty-five".