1021400033145 has 8 divisors (see below), whose sum is σ = 1634240053056. Its totient is φ = 544746684336.

The previous prime is 1021400033141. The next prime is 1021400033201. The reversal of 1021400033145 is 5413300041201.

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 1021400033145 - 2² = 1021400033141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021400033141) 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, 34046667757 + ... + 34046667786.

It is an arithmetic number, because the mean of its divisors is an integer number (204280006632).

Almost surely, 2^{1021400033145} is an apocalyptic number.

1021400033145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1021400033145 is a deficient number, since it is larger than the sum of its proper divisors (612840019911).

1021400033145 is an equidigital number, since it uses as much as digits as its factorization.

1021400033145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68093335551.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 1021400033145 its reverse (5413300041201), we get a palindrome (6434700074346).

The spelling of 1021400033145 in words is "one trillion, twenty-one billion, four hundred million, thirty-three thousand, one hundred forty-five".