478156145 has 16 divisors (see below), whose sum is σ = 600300288. Its totient is φ = 365247360.

The previous prime is 478156139. The next prime is 478156171. The reversal of 478156145 is 541651874.

It is a de Polignac number, because none of the positive numbers 2^k-478156145 is a prime.

It is a super-2 number, since 2×478156145² = 457266598002522050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

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 15 ways as a sum of consecutive naturals, for example, 15179 + ... + 34448.

It is an arithmetic number, because the mean of its divisors is an integer number (37518768).

Almost surely, 2^478156145 is an apocalyptic number.

It is an amenable number.

478156145 is a deficient number, since it is larger than the sum of its proper divisors (122144143).

478156145 is a wasteful number, since it uses less digits than its factorization.

478156145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49720.

The product of its digits is 134400, while the sum is 41.

The square root of 478156145 is about 21866.7817705304. The cubic root of 478156145 is about 781.9696794911.

The spelling of 478156145 in words is "four hundred seventy-eight million, one hundred fifty-six thousand, one hundred forty-five".