106545149 has 4 divisors (see below), whose sum is σ = 106578780. Its totient is φ = 106511520.

The previous prime is 106545139. The next prime is 106545161. The reversal of 106545149 is 941545601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48511225 + 58033924 = 6965^2 + 7618^2 .

It is a cyclic number.

It is not a de Polignac number, because 106545149 - 2⁴ = 106545133 is a prime.

It is a super-2 number, since 2×106545149² = 22703737550864402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106545139) 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, 11504 + ... + 18585.

It is an arithmetic number, because the mean of its divisors is an integer number (26644695).

Almost surely, 2^106545149 is an apocalyptic number.

It is an amenable number.

106545149 is a deficient number, since it is larger than the sum of its proper divisors (33631).

106545149 is an equidigital number, since it uses as much as digits as its factorization.

106545149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33630.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 106545149 is about 10322.0709646853. The cubic root of 106545149 is about 474.0722782598.

The spelling of 106545149 in words is "one hundred six million, five hundred forty-five thousand, one hundred forty-nine".