102703445 has 8 divisors (see below), whose sum is σ = 132724536. Its totient is φ = 75842496.

The previous prime is 102703439. The next prime is 102703451. The reversal of 102703445 is 544307201.

It is an interprime number because it is at equal distance from previous prime (102703439) and next prime (102703451).

It can be written as a sum of positive squares in 4 ways, for example, as 25140196 + 77563249 = 5014^2 + 8807^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102703445 - 2²⁰ = 101654869 is a prime.

It is a super-2 number, since 2×102703445² = 21095995229736050, which contains 22 as substring.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789962 + ... + 790091.

It is an arithmetic number, because the mean of its divisors is an integer number (16590567).

Almost surely, 2^102703445 is an apocalyptic number.

It is an amenable number.

102703445 is a deficient number, since it is larger than the sum of its proper divisors (30021091).

102703445 is a wasteful number, since it uses less digits than its factorization.

102703445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580071.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 102703445 is about 10134.2708173800. The cubic root of 102703445 is about 468.3045066398.

The spelling of 102703445 in words is "one hundred two million, seven hundred three thousand, four hundred forty-five".