108145902 has 8 divisors (see below), whose sum is σ = 216291816. Its totient is φ = 36048632.

The previous prime is 108145861. The next prime is 108145907. The reversal of 108145902 is 209541801.

It is a happy number.

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

108145902 is an admirable number.

It is a super-2 number, since 2×108145902² = 23391072238787208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 108145902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108145907) 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, 9012153 + ... + 9012164.

It is an arithmetic number, because the mean of its divisors is an integer number (27036477).

Almost surely, 2^108145902 is an apocalyptic number.

108145902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

108145902 is a wasteful number, since it uses less digits than its factorization.

108145902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18024322.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 108145902 is about 10399.3221894506. The cubic root of 108145902 is about 476.4346681565.

The spelling of 108145902 in words is "one hundred eight million, one hundred forty-five thousand, nine hundred two".