102708445 has 32 divisors (see below), whose sum is σ = 145347840. Its totient is φ = 68221440.

The previous prime is 102708443. The next prime is 102708449. The reversal of 102708445 is 544807201.

It is not a de Polignac number, because 102708445 - 2¹ = 102708443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102708443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155526 + ... + 156184.

It is an arithmetic number, because the mean of its divisors is an integer number (4542120).

Almost surely, 2^102708445 is an apocalyptic number.

It is an amenable number.

102708445 is a deficient number, since it is larger than the sum of its proper divisors (42639395).

102708445 is an equidigital number, since it uses as much as digits as its factorization.

102708445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 102708445 is about 10134.5175020817. The cubic root of 102708445 is about 468.3121061400.

The spelling of 102708445 in words is "one hundred two million, seven hundred eight thousand, four hundred forty-five".