102715445 has 32 divisors (see below), whose sum is σ = 152368128. Its totient is φ = 64862208.

The previous prime is 102715429. The next prime is 102715451. The reversal of 102715445 is 544517201.

It is not a de Polignac number, because 102715445 - 2⁴ = 102715429 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 (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26129 + ... + 29801.

It is an arithmetic number, because the mean of its divisors is an integer number (4761504).

Almost surely, 2^102715445 is an apocalyptic number.

It is an amenable number.

102715445 is a deficient number, since it is larger than the sum of its proper divisors (49652683).

102715445 is a wasteful number, since it uses less digits than its factorization.

102715445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 102715445 is about 10134.8628505767. The cubic root of 102715445 is about 468.3227450259.

The spelling of 102715445 in words is "one hundred two million, seven hundred fifteen thousand, four hundred forty-five".