102400465 has 8 divisors (see below), whose sum is σ = 123013440. Its totient is φ = 81831792.

The previous prime is 102400433. The next prime is 102400489. The reversal of 102400465 is 564004201.

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 102400465 - 2⁵ = 102400433 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5755 + ... + 15424.

It is an arithmetic number, because the mean of its divisors is an integer number (15376680).

Almost surely, 2^102400465 is an apocalyptic number.

It is an amenable number.

102400465 is a deficient number, since it is larger than the sum of its proper divisors (20612975).

102400465 is an equidigital number, since it uses as much as digits as its factorization.

102400465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22151.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 102400465 is about 10119.3114884364. The cubic root of 102400465 is about 467.8435462735.

Adding to 102400465 its reverse (564004201), we get a palindrome (666404666).

The spelling of 102400465 in words is "one hundred two million, four hundred thousand, four hundred sixty-five".