105551545 has 8 divisors (see below), whose sum is σ = 138176640. Its totient is φ = 76764720.

The previous prime is 105551489. The next prime is 105551569. The reversal of 105551545 is 545155501.

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

It is not a de Polignac number, because 105551545 - 2¹¹ = 105549497 is a prime.

It is a super-2 number, since 2×105551545² = 22282257303774050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959505 + ... + 959614.

It is an arithmetic number, because the mean of its divisors is an integer number (17272080).

Almost surely, 2^105551545 is an apocalyptic number.

It is an amenable number.

105551545 is a deficient number, since it is larger than the sum of its proper divisors (32625095).

105551545 is a wasteful number, since it uses less digits than its factorization.

105551545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919135.

The product of its (nonzero) digits is 12500, while the sum is 31.

The square root of 105551545 is about 10273.8281570211. The cubic root of 105551545 is about 472.5939941595.

It can be divided in two parts, 10555 and 1545, that added together give a square (12100 = 110²).

The spelling of 105551545 in words is "one hundred five million, five hundred fifty-one thousand, five hundred forty-five".