105154397 has 8 divisors (see below), whose sum is σ = 106173600. Its totient is φ = 104140080.

The previous prime is 105154373. The next prime is 105154403. The reversal of 105154397 is 793451501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105154397 is a prime.

It is a super-2 number, since 2×105154397² = 22114894416867218, 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 (105154327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52979 + ... + 54927.

It is an arithmetic number, because the mean of its divisors is an integer number (13271700).

Almost surely, 2^105154397 is an apocalyptic number.

It is an amenable number.

105154397 is a deficient number, since it is larger than the sum of its proper divisors (1019203).

105154397 is a wasteful number, since it uses less digits than its factorization.

105154397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 105154397 is about 10254.4818006567. The cubic root of 105154397 is about 472.0005221794. Note that the first 3 decimals are identical.

The spelling of 105154397 in words is "one hundred five million, one hundred fifty-four thousand, three hundred ninety-seven".