146448971 has 8 divisors (see below), whose sum is σ = 147798000. Its totient is φ = 145105120.

The previous prime is 146448959. The next prime is 146448977. The reversal of 146448971 is 179844641.

It is a happy number.

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 146448971 - 2²² = 142254667 is a prime.

It is a super-2 number, since 2×146448971² = 42894602213917682, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (146448977) 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, 74876 + ... + 76806.

It is an arithmetic number, because the mean of its divisors is an integer number (18474750).

Almost surely, 2^146448971 is an apocalyptic number.

146448971 is a deficient number, since it is larger than the sum of its proper divisors (1349029).

146448971 is a wasteful number, since it uses less digits than its factorization.

146448971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589.

The product of its digits is 193536, while the sum is 44.

The square root of 146448971 is about 12101.6102647540. The cubic root of 146448971 is about 527.1029435702.

The spelling of 146448971 in words is "one hundred forty-six million, four hundred forty-eight thousand, nine hundred seventy-one".