472978154 has 16 divisors (see below), whose sum is σ = 775081440. Its totient is φ = 214679760.

The previous prime is 472978123. The next prime is 472978157. The reversal of 472978154 is 451879274.

It is a super-2 number, since 2×472978154² = 447416668322495432, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 472978099 and 472978108.

It is not an unprimeable number, because it can be changed into a prime (472978157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437 + ... + 30759.

It is an arithmetic number, because the mean of its divisors is an integer number (48442590).

Almost surely, 2^472978154 is an apocalyptic number.

472978154 is a deficient number, since it is larger than the sum of its proper divisors (302103286).

472978154 is a wasteful number, since it uses less digits than its factorization.

472978154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31045.

The product of its digits is 564480, while the sum is 47.

The square root of 472978154 is about 21748.0609250572. The cubic root of 472978154 is about 779.1367581124.

The spelling of 472978154 in words is "four hundred seventy-two million, nine hundred seventy-eight thousand, one hundred fifty-four".