245238471 has 12 divisors (see below), whose sum is σ = 366448680. Its totient is φ = 157854480.

The previous prime is 245238457. The next prime is 245238493. The reversal of 245238471 is 174832542.

It is a happy number.

It is not a de Polignac number, because 245238471 - 2¹⁷ = 245107399 is a prime.

It is a super-3 number, since 3×245238471³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245238401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469545 + ... + 470066.

It is an arithmetic number, because the mean of its divisors is an integer number (30537390).

Almost surely, 2^245238471 is an apocalyptic number.

245238471 is a deficient number, since it is larger than the sum of its proper divisors (121210209).

245238471 is a wasteful number, since it uses less digits than its factorization.

245238471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939646 (or 939643 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 245238471 is about 15660.0916663984. The cubic root of 245238471 is about 625.9354278478.

The spelling of 245238471 in words is "two hundred forty-five million, two hundred thirty-eight thousand, four hundred seventy-one".