464870146 has 16 divisors (see below), whose sum is σ = 771241464. Its totient is φ = 208756224.

The previous prime is 464870143. The next prime is 464870173. The reversal of 464870146 is 641078464.

It can be written as a sum of positive squares in 4 ways, for example, as 368064225 + 96805921 = 19185^2 + 9839^2 .

It is a super-2 number, since 2×464870146² = 432208505284122632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 464870099 and 464870108.

It is not an unprimeable number, because it can be changed into a prime (464870143) 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, 240655 + ... + 242578.

Almost surely, 2^464870146 is an apocalyptic number.

464870146 is a deficient number, since it is larger than the sum of its proper divisors (306371318).

464870146 is a wasteful number, since it uses less digits than its factorization.

464870146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483285.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 464870146 is about 21560.8475250858. The cubic root of 464870146 is about 774.6589667061.

The spelling of 464870146 in words is "four hundred sixty-four million, eight hundred seventy thousand, one hundred forty-six".