1478459147 has 4 divisors (see below), whose sum is σ = 1612864536. Its totient is φ = 1344053760.

The previous prime is 1478459131. The next prime is 1478459231. The reversal of 1478459147 is 7419548741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7419548741 = 11 ⋅674504431.

It is a cyclic number.

It is not a de Polignac number, because 1478459147 - 2⁴ = 1478459131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1478459095 and 1478459104.

It is not an unprimeable number, because it can be changed into a prime (1478459447) 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, 67202678 + ... + 67202699.

It is an arithmetic number, because the mean of its divisors is an integer number (403216134).

Almost surely, 2^1478459147 is an apocalyptic number.

1478459147 is a deficient number, since it is larger than the sum of its proper divisors (134405389).

1478459147 is a wasteful number, since it uses less digits than its factorization.

1478459147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134405388.

The product of its digits is 1128960, while the sum is 50.

The square root of 1478459147 is about 38450.7366249335. The cubic root of 1478459147 is about 1139.2082187952.

The spelling of 1478459147 in words is "one billion, four hundred seventy-eight million, four hundred fifty-nine thousand, one hundred forty-seven".