1020244145451 has 8 divisors (see below), whose sum is σ = 1360369317840. Its totient is φ = 680140868352.

The previous prime is 1020244145383. The next prime is 1020244145467. The reversal of 1020244145451 is 1545414420201.

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

It is not a de Polignac number, because 1020244145451 - 2²⁷ = 1020109927723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020244145251) 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, 5364786 + ... + 5551703.

It is an arithmetic number, because the mean of its divisors is an integer number (170046164730).

Almost surely, 2^{1020244145451} is an apocalyptic number.

1020244145451 is a deficient number, since it is larger than the sum of its proper divisors (340125172389).

1020244145451 is a wasteful number, since it uses less digits than its factorization.

1020244145451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10947645.

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 1020244145451 its reverse (1545414420201), we get a palindrome (2565658565652).

The spelling of 1020244145451 in words is "one trillion, twenty billion, two hundred forty-four million, one hundred forty-five thousand, four hundred fifty-one".