102345436 has 6 divisors (see below), whose sum is σ = 179104520. Its totient is φ = 51172716.

The previous prime is 102345433. The next prime is 102345443. The reversal of 102345436 is 634543201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102345431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12793176 + ... + 12793183.

Almost surely, 2^102345436 is an apocalyptic number.

It is an amenable number.

102345436 is a deficient number, since it is larger than the sum of its proper divisors (76759084).

102345436 is a wasteful number, since it uses less digits than its factorization.

102345436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25586363 (or 25586361 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 102345436 is about 10116.5921139483. The cubic root of 102345436 is about 467.7597264211.

Adding to 102345436 its reverse (634543201), we get a palindrome (736888637).

The spelling of 102345436 in words is "one hundred two million, three hundred forty-five thousand, four hundred thirty-six".