109946145 has 8 divisors (see below), whose sum is σ = 175913856. Its totient is φ = 58637936.

The previous prime is 109946143. The next prime is 109946173. The reversal of 109946145 is 541649901.

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 109946145 - 2¹ = 109946143 is a prime.

It is a super-2 number, since 2×109946145² = 24176309600722050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109946143) 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, 3664857 + ... + 3664886.

It is an arithmetic number, because the mean of its divisors is an integer number (21989232).

Almost surely, 2^109946145 is an apocalyptic number.

109946145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109946145 is a deficient number, since it is larger than the sum of its proper divisors (65967711).

109946145 is an equidigital number, since it uses as much as digits as its factorization.

109946145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7329751.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 109946145 is about 10485.5207309890. The cubic root of 109946145 is about 479.0637784216.

The spelling of 109946145 in words is "one hundred nine million, nine hundred forty-six thousand, one hundred forty-five".