105477242 has 8 divisors (see below), whose sum is σ = 170386356. Its totient is φ = 48681792.

The previous prime is 105477233. The next prime is 105477247. The reversal of 105477242 is 242774501.

It can be written as a sum of positive squares in 2 ways, for example, as 103815721 + 1661521 = 10189^2 + 1289^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105477242² = 22250897159853128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105477199 and 105477208.

It is not an unprimeable number, because it can be changed into a prime (105477247) 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, 2028383 + ... + 2028434.

Almost surely, 2^105477242 is an apocalyptic number.

105477242 is a deficient number, since it is larger than the sum of its proper divisors (64909114).

105477242 is a wasteful number, since it uses less digits than its factorization.

105477242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056832.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 105477242 is about 10270.2113902295. The cubic root of 105477242 is about 472.4830739623.

The spelling of 105477242 in words is "one hundred five million, four hundred seventy-seven thousand, two hundred forty-two".