478365141 has 4 divisors (see below), whose sum is σ = 637820192. Its totient is φ = 318910092.

The previous prime is 478365137. The next prime is 478365143. The reversal of 478365141 is 141563874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 478365141 - 2² = 478365137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478365141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478365143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79727521 + ... + 79727526.

It is an arithmetic number, because the mean of its divisors is an integer number (159455048).

Almost surely, 2^478365141 is an apocalyptic number.

It is an amenable number.

478365141 is a deficient number, since it is larger than the sum of its proper divisors (159455051).

478365141 is a wasteful number, since it uses less digits than its factorization.

478365141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159455050.

The product of its digits is 80640, while the sum is 39.

The square root of 478365141 is about 21871.5600952470. The cubic root of 478365141 is about 782.0835925798.

The spelling of 478365141 in words is "four hundred seventy-eight million, three hundred sixty-five thousand, one hundred forty-one".