1012154202545 has 8 divisors (see below), whose sum is σ = 1234496273640. Its totient is φ = 796449208320.

The previous prime is 1012154202539. The next prime is 1012154202617. The reversal of 1012154202545 is 5452024512101.

It can be written as a sum of positive squares in 4 ways, for example, as 190633249 + 1011963569296 = 13807^2 + 1005964^2 .

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

It is not a de Polignac number, because 1012154202545 - 2¹⁴ = 1012154186161 is a prime.

It is a super-2 number, since 2×1012154202545² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1659268880 + ... + 1659269489.

It is an arithmetic number, because the mean of its divisors is an integer number (154312034205).

Almost surely, 2^{1012154202545} is an apocalyptic number.

It is an amenable number.

1012154202545 is a deficient number, since it is larger than the sum of its proper divisors (222342071095).

1012154202545 is an equidigital number, since it uses as much as digits as its factorization.

1012154202545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318538435.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 1012154202545 its reverse (5452024512101), we get a palindrome (6464178714646).

The spelling of 1012154202545 in words is "one trillion, twelve billion, one hundred fifty-four million, two hundred two thousand, five hundred forty-five".