106438045 has 32 divisors (see below), whose sum is σ = 151891200. Its totient is φ = 71547840.

The previous prime is 106438027. The next prime is 106438049. The reversal of 106438045 is 540834601.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-106438045 is a prime.

It is a super-2 number, since 2×106438045² = 22658114846844050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106437998 and 106438016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106438049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90310 + ... + 91480.

It is an arithmetic number, because the mean of its divisors is an integer number (4746600).

Almost surely, 2^106438045 is an apocalyptic number.

It is an amenable number.

106438045 is a deficient number, since it is larger than the sum of its proper divisors (45453155).

106438045 is an equidigital number, since it uses as much as digits as its factorization.

106438045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 106438045 is about 10316.8815540356. The cubic root of 106438045 is about 473.9133720400.

The spelling of 106438045 in words is "one hundred six million, four hundred thirty-eight thousand, forty-five".