457272243 has 32 divisors (see below), whose sum is σ = 693849600. Its totient is φ = 297540000.

The previous prime is 457272229. The next prime is 457272251. The reversal of 457272243 is 342272754.

It is a happy number.

It is not a de Polignac number, because 457272243 - 2¹⁶ = 457206707 is a prime.

It is a super-4 number, since 4×457272243⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 457272198 and 457272207.

It is not an unprimeable number, because it can be changed into a prime (457272643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239593 + ... + 241493.

It is an arithmetic number, because the mean of its divisors is an integer number (21682800).

Almost surely, 2^457272243 is an apocalyptic number.

457272243 is a deficient number, since it is larger than the sum of its proper divisors (236577357).

457272243 is a wasteful number, since it uses less digits than its factorization.

457272243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120 (or 2114 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 457272243 is about 21383.9248736054. The cubic root of 457272243 is about 770.4153844668.

The spelling of 457272243 in words is "four hundred fifty-seven million, two hundred seventy-two thousand, two hundred forty-three".