102045406 has 8 divisors (see below), whose sum is σ = 155005920. Its totient is φ = 50376768.

The previous prime is 102045401. The next prime is 102045443. The reversal of 102045406 is 604540201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102045401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322771 + ... + 323086.

It is an arithmetic number, because the mean of its divisors is an integer number (19375740).

Almost surely, 2^102045406 is an apocalyptic number.

102045406 is a deficient number, since it is larger than the sum of its proper divisors (52960514).

102045406 is an equidigital number, since it uses as much as digits as its factorization.

102045406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645938.

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

The square root of 102045406 is about 10101.7526202140. The cubic root of 102045406 is about 467.3021931903.

Adding to 102045406 its reverse (604540201), we get a palindrome (706585607).

The spelling of 102045406 in words is "one hundred two million, forty-five thousand, four hundred six".