1020052145 has 32 divisors (see below), whose sum is σ = 1475470080. Its totient is φ = 661340160.

The previous prime is 1020052133. The next prime is 1020052213. The reversal of 1020052145 is 5412500201.

1020052145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1020052145 - 2⁶ = 1020052081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425069 + ... + 427461.

It is an arithmetic number, because the mean of its divisors is an integer number (46108440).

Almost surely, 2^1020052145 is an apocalyptic number.

It is an amenable number.

1020052145 is a deficient number, since it is larger than the sum of its proper divisors (455417935).

1020052145 is a wasteful number, since it uses less digits than its factorization.

1020052145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1020052145 is about 31938.2551965507. The cubic root of 1020052145 is about 1006.6398629741.

Adding to 1020052145 its reverse (5412500201), we get a palindrome (6432552346).

The spelling of 1020052145 in words is "one billion, twenty million, fifty-two thousand, one hundred forty-five".