146271427 has 4 divisors (see below), whose sum is σ = 146303496. Its totient is φ = 146239360.

The previous prime is 146271413. The next prime is 146271449. The reversal of 146271427 is 724172641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724172641 = 23 ⋅31485767.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146271427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146271392 and 146271401.

It is not an unprimeable number, because it can be changed into a prime (146271407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7774 + ... + 18787.

It is an arithmetic number, because the mean of its divisors is an integer number (36575874).

Almost surely, 2^146271427 is an apocalyptic number.

146271427 is a deficient number, since it is larger than the sum of its proper divisors (32069).

146271427 is an equidigital number, since it uses as much as digits as its factorization.

146271427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32068.

The product of its digits is 18816, while the sum is 34.

The square root of 146271427 is about 12094.2724874215. The cubic root of 146271427 is about 526.8898504408.

The spelling of 146271427 in words is "one hundred forty-six million, two hundred seventy-one thousand, four hundred twenty-seven".