146109427 has 8 divisors (see below), whose sum is σ = 148529840. Its totient is φ = 143700480.

The previous prime is 146109413. The next prime is 146109437. The reversal of 146109427 is 724901641.

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 146109427 - 2²⁷ = 11891699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146109392 and 146109401.

It is not an unprimeable number, because it can be changed into a prime (146109437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25027 + ... + 30307.

It is an arithmetic number, because the mean of its divisors is an integer number (18566230).

Almost surely, 2^146109427 is an apocalyptic number.

146109427 is a deficient number, since it is larger than the sum of its proper divisors (2420413).

146109427 is an equidigital number, since it uses as much as digits as its factorization.

146109427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 146109427 is about 12087.5732469342. The cubic root of 146109427 is about 526.6952631395.

The spelling of 146109427 in words is "one hundred forty-six million, one hundred nine thousand, four hundred twenty-seven".