146620971 has 36 divisors (see below), whose sum is σ = 257148112. Its totient is φ = 78845184.

The previous prime is 146620963. The next prime is 146620997. The reversal of 146620971 is 179026641.

It is not a de Polignac number, because 146620971 - 2³ = 146620963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146620931) 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 35 ways as a sum of consecutive naturals, for example, 14181 + ... + 22233.

Almost surely, 2^146620971 is an apocalyptic number.

146620971 is a deficient number, since it is larger than the sum of its proper divisors (110527141).

146620971 is a wasteful number, since it uses less digits than its factorization.

146620971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8100 (or 8080 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 146620971 is about 12108.7146716735. The cubic root of 146620971 is about 527.3092184605.

The spelling of 146620971 in words is "one hundred forty-six million, six hundred twenty thousand, nine hundred seventy-one".