102069245 has 16 divisors (see below), whose sum is σ = 124737408. Its totient is φ = 80162880.

The previous prime is 102069223. The next prime is 102069271. The reversal of 102069245 is 542960201.

It is a happy number.

It is not a de Polignac number, because 102069245 - 2⁶ = 102069181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112082 + ... + 112988.

It is an arithmetic number, because the mean of its divisors is an integer number (7796088).

Almost surely, 2^102069245 is an apocalyptic number.

It is an amenable number.

102069245 is a deficient number, since it is larger than the sum of its proper divisors (22668163).

102069245 is an equidigital number, since it uses as much as digits as its factorization.

102069245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 102069245 is about 10102.9324950729. The cubic root of 102069245 is about 467.3385794425.

The spelling of 102069245 in words is "one hundred two million, sixty-nine thousand, two hundred forty-five".