105140432 has 10 divisors (see below), whose sum is σ = 203709618. Its totient is φ = 52570208.

The previous prime is 105140411. The next prime is 105140449. The reversal of 105140432 is 234041501.

It can be written as a sum of positive squares in only one way, i.e., 76667536 + 28472896 = 8756^2 + 5336^2 .

It is a super-2 number, since 2×105140432² = 22109020882293248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3285623 + ... + 3285654.

Almost surely, 2^105140432 is an apocalyptic number.

It is an amenable number.

105140432 is a deficient number, since it is larger than the sum of its proper divisors (98569186).

105140432 is an equidigital number, since it uses as much as digits as its factorization.

105140432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6571285 (or 6571279 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 105140432 is about 10253.8008562679. The cubic root of 105140432 is about 471.9796266223.

Adding to 105140432 its reverse (234041501), we get a palindrome (339181933).

The spelling of 105140432 in words is "one hundred five million, one hundred forty thousand, four hundred thirty-two".