106154449 has 2 divisors, whose sum is σ = 106154450. Its totient is φ = 106154448.

The previous prime is 106154441. The next prime is 106154459. The reversal of 106154449 is 944451601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84364225 + 21790224 = 9185^2 + 4668^2 .

It is a cyclic number.

It is not a de Polignac number, because 106154449 - 2³ = 106154441 is a prime.

It is a super-2 number, since 2×106154449² = 22537534084987202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106154441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53077224 + 53077225.

It is an arithmetic number, because the mean of its divisors is an integer number (53077225).

Almost surely, 2^106154449 is an apocalyptic number.

It is an amenable number.

106154449 is a deficient number, since it is larger than the sum of its proper divisors (1).

106154449 is an equidigital number, since it uses as much as digits as its factorization.

106154449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 106154449 is about 10303.1281172273. The cubic root of 106154449 is about 473.4920957324.

The spelling of 106154449 in words is "one hundred six million, one hundred fifty-four thousand, four hundred forty-nine".