152640471 has 8 divisors (see below), whose sum is σ = 214232320. Its totient is φ = 96404472.

The previous prime is 152640463. The next prime is 152640491. The reversal of 152640471 is 174046251.

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

It is not a de Polignac number, because 152640471 - 2³ = 152640463 is a prime.

It is a super-3 number, since 3×152640471³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152640421) 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, 1338895 + ... + 1339008.

It is an arithmetic number, because the mean of its divisors is an integer number (26779040).

Almost surely, 2^152640471 is an apocalyptic number.

152640471 is a deficient number, since it is larger than the sum of its proper divisors (61591849).

152640471 is a wasteful number, since it uses less digits than its factorization.

152640471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677925.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 152640471 is about 12354.7752306547. The cubic root of 152640471 is about 534.4288556507.

The spelling of 152640471 in words is "one hundred fifty-two million, six hundred forty thousand, four hundred seventy-one".