102013445 has 16 divisors (see below), whose sum is σ = 127960560. Its totient is φ = 77973504.

The previous prime is 102013433. The next prime is 102013469. The reversal of 102013445 is 544310201.

It can be written as a sum of positive squares in 8 ways, for example, as 124609 + 101888836 = 353^2 + 10094^2 .

It is a cyclic number.

It is not a de Polignac number, because 102013445 - 2¹⁴ = 101997061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10439 + ... + 17691.

It is an arithmetic number, because the mean of its divisors is an integer number (7997535).

Almost surely, 2^102013445 is an apocalyptic number.

It is an amenable number.

102013445 is a deficient number, since it is larger than the sum of its proper divisors (25947115).

102013445 is an equidigital number, since it uses as much as digits as its factorization.

102013445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7384.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 102013445 is about 10100.1705431146. The cubic root of 102013445 is about 467.2534011688.

Adding to 102013445 its reverse (544310201), we get a palindrome (646323646).

The spelling of 102013445 in words is "one hundred two million, thirteen thousand, four hundred forty-five".