102303642 has 32 divisors (see below), whose sum is σ = 236662272. Its totient is φ = 28876464.

The previous prime is 102303629. The next prime is 102303647. The reversal of 102303642 is 246303201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (102303647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11188 + ... + 18159.

It is an arithmetic number, because the mean of its divisors is an integer number (7395696).

Almost surely, 2^102303642 is an apocalyptic number.

102303642 is an abundant number, since it is smaller than the sum of its proper divisors (134358630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102303642 is a wasteful number, since it uses less digits than its factorization.

102303642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29442.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 102303642 is about 10114.5262864852. The cubic root of 102303642 is about 467.6960459664.

Adding to 102303642 its reverse (246303201), we get a palindrome (348606843).

The spelling of 102303642 in words is "one hundred two million, three hundred three thousand, six hundred forty-two".