472155305 has 8 divisors (see below), whose sum is σ = 572196744. Its totient is φ = 373984000.

The previous prime is 472155287. The next prime is 472155317. The reversal of 472155305 is 503551274.

It can be written as a sum of positive squares in 4 ways, for example, as 269747776 + 202407529 = 16424^2 + 14227^2 .

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

It is not a de Polignac number, because 472155305 - 2¹⁴ = 472138921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466976 + ... + 467985.

It is an arithmetic number, because the mean of its divisors is an integer number (71524593).

Almost surely, 2^472155305 is an apocalyptic number.

It is an amenable number.

472155305 is a deficient number, since it is larger than the sum of its proper divisors (100041439).

472155305 is a wasteful number, since it uses less digits than its factorization.

472155305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935067.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 472155305 is about 21729.1349344607. The cubic root of 472155305 is about 778.6846695459.

The spelling of 472155305 in words is "four hundred seventy-two million, one hundred fifty-five thousand, three hundred five".