102245431 has 8 divisors (see below), whose sum is σ = 105780528. Its totient is φ = 98760000.

The previous prime is 102245411. The next prime is 102245449. The reversal of 102245431 is 134542201.

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 102245431 - 2⁵ = 102245399 is a prime.

It is a super-2 number, since 2×102245431² = 20908256320751522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102245401) by changing a digit.

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, 8205 + ... + 16486.

It is an arithmetic number, because the mean of its divisors is an integer number (13222566).

Almost surely, 2^102245431 is an apocalyptic number.

102245431 is a deficient number, since it is larger than the sum of its proper divisors (3535097).

102245431 is a wasteful number, since it uses less digits than its factorization.

102245431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24833.

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

The square root of 102245431 is about 10111.6482830447. The cubic root of 102245431 is about 467.6073224393.

Adding to 102245431 its reverse (134542201), we get a palindrome (236787632).

The spelling of 102245431 in words is "one hundred two million, two hundred forty-five thousand, four hundred thirty-one".