106146442 has 4 divisors (see below), whose sum is σ = 159219666. Its totient is φ = 53073220.

The previous prime is 106146433. The next prime is 106146457. The reversal of 106146442 is 244641601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244641601 = 5527 ⋅44263.

It can be written as a sum of positive squares in only one way, i.e., 105657841 + 488601 = 10279^2 + 699^2 .

It is a super-2 number, since 2×106146442² = 22534134298518728, 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 106146442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26536609 + ... + 26536612.

Almost surely, 2^106146442 is an apocalyptic number.

106146442 is a deficient number, since it is larger than the sum of its proper divisors (53073224).

106146442 is an equidigital number, since it uses as much as digits as its factorization.

106146442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53073223.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 106146442 is about 10302.7395385888. The cubic root of 106146442 is about 473.4801906056.

The spelling of 106146442 in words is "one hundred six million, one hundred forty-six thousand, four hundred forty-two".