105457145 has 8 divisors (see below), whose sum is σ = 126760704. Its totient is φ = 84224304.

The previous prime is 105457127. The next prime is 105457147. The reversal of 105457145 is 541754501.

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

It is a cyclic number.

It is not a de Polignac number, because 105457145 - 2⁸ = 105456889 is a prime.

It is a super-2 number, since 2×105457145² = 22242418863102050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105457147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14339 + ... + 20408.

It is an arithmetic number, because the mean of its divisors is an integer number (15845088).

Almost surely, 2^105457145 is an apocalyptic number.

It is an amenable number.

105457145 is a deficient number, since it is larger than the sum of its proper divisors (21303559).

105457145 is an equidigital number, since it uses as much as digits as its factorization.

105457145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35359.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 105457145 is about 10269.2329314316. The cubic root of 105457145 is about 472.4530640275.

The spelling of 105457145 in words is "one hundred five million, four hundred fifty-seven thousand, one hundred forty-five".