1020245145403 has 8 divisors (see below), whose sum is σ = 1143075642480. Its totient is φ = 902428138080.

The previous prime is 1020245145371. The next prime is 1020245145419. The reversal of 1020245145403 is 3045415420201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020245145403 - 2⁵ = 1020245145371 is a prime.

It is a super-2 number, since 2×1020245145403² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020245145473) 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, 1253372008 + ... + 1253372821.

It is an arithmetic number, because the mean of its divisors is an integer number (142884455310).

Almost surely, 2^{1020245145403} is an apocalyptic number.

1020245145403 is a deficient number, since it is larger than the sum of its proper divisors (122830497077).

1020245145403 is a wasteful number, since it uses less digits than its factorization.

1020245145403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506744877.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 1020245145403 in words is "one trillion, twenty billion, two hundred forty-five million, one hundred forty-five thousand, four hundred three".