146463971 has 4 divisors (see below), whose sum is σ = 146520000. Its totient is φ = 146407944.

The previous prime is 146463953. The next prime is 146463973. The reversal of 146463971 is 179364641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146463971 - 2²² = 142269667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146463973) 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, 23891 + ... + 29388.

It is an arithmetic number, because the mean of its divisors is an integer number (36630000).

Almost surely, 2^146463971 is an apocalyptic number.

146463971 is a deficient number, since it is larger than the sum of its proper divisors (56029).

146463971 is an equidigital number, since it uses as much as digits as its factorization.

146463971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56028.

The product of its digits is 108864, while the sum is 41.

The square root of 146463971 is about 12102.2300011196. The cubic root of 146463971 is about 527.1209390858.

The spelling of 146463971 in words is "one hundred forty-six million, four hundred sixty-three thousand, nine hundred seventy-one".