102352045 has 4 divisors (see below), whose sum is σ = 122822460. Its totient is φ = 81881632.

The previous prime is 102352043. The next prime is 102352057. The reversal of 102352045 is 540253201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540253201 = 19 ⋅28434379.

It can be written as a sum of positive squares in 2 ways, for example, as 34503876 + 67848169 = 5874^2 + 8237^2 .

It is a cyclic number.

It is not a de Polignac number, because 102352045 - 2¹ = 102352043 is a prime.

It is a super-2 number, since 2×102352045² = 20951882231364050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102352043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10235200 + ... + 10235209.

It is an arithmetic number, because the mean of its divisors is an integer number (30705615).

Almost surely, 2^102352045 is an apocalyptic number.

It is an amenable number.

102352045 is a deficient number, since it is larger than the sum of its proper divisors (20470415).

102352045 is an equidigital number, since it uses as much as digits as its factorization.

102352045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20470414.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 102352045 is about 10116.9187502915. The cubic root of 102352045 is about 467.7697947988.

The spelling of 102352045 in words is "one hundred two million, three hundred fifty-two thousand, forty-five".