146057471 has 8 divisors (see below), whose sum is σ = 166998144. Its totient is φ = 125135640.

The previous prime is 146057467. The next prime is 146057473. The reversal of 146057471 is 174750641.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 146057471 - 2² = 146057467 is a prime.

It is a super-3 number, since 3×146057471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146057473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22076 + ... + 27918.

It is an arithmetic number, because the mean of its divisors is an integer number (20874768).

Almost surely, 2^146057471 is an apocalyptic number.

146057471 is a deficient number, since it is larger than the sum of its proper divisors (20940673).

146057471 is an equidigital number, since it uses as much as digits as its factorization.

146057471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9421.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 146057471 is about 12085.4239065082. The cubic root of 146057471 is about 526.6328254084.

The spelling of 146057471 in words is "one hundred forty-six million, fifty-seven thousand, four hundred seventy-one".