102945436 has 12 divisors (see below), whose sum is σ = 196532280. Its totient is φ = 46793360.

The previous prime is 102945419. The next prime is 102945473. The reversal of 102945436 is 634549201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169791 + ... + 1169878.

It is an arithmetic number, because the mean of its divisors is an integer number (16377690).

Almost surely, 2^102945436 is an apocalyptic number.

It is an amenable number.

102945436 is a deficient number, since it is larger than the sum of its proper divisors (93586844).

102945436 is a wasteful number, since it uses less digits than its factorization.

102945436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339684 (or 2339682 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 102945436 is about 10146.2030336476. The cubic root of 102945436 is about 468.6720262362.

The spelling of 102945436 in words is "one hundred two million, nine hundred forty-five thousand, four hundred thirty-six".