102345415 has 16 divisors (see below), whose sum is σ = 127088640. Its totient is φ = 79040160.

The previous prime is 102345407. The next prime is 102345431. The reversal of 102345415 is 514543201.

It is a happy number.

It is not a de Polignac number, because 102345415 - 2³ = 102345407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102345415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121566 + ... + 122404.

It is an arithmetic number, because the mean of its divisors is an integer number (7943040).

Almost surely, 2^102345415 is an apocalyptic number.

102345415 is a deficient number, since it is larger than the sum of its proper divisors (24743225).

102345415 is an equidigital number, since it uses as much as digits as its factorization.

102345415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 102345415 is about 10116.5910760493. The cubic root of 102345415 is about 467.7596944283.

Adding to 102345415 its reverse (514543201), we get a palindrome (616888616).

The spelling of 102345415 in words is "one hundred two million, three hundred forty-five thousand, four hundred fifteen".