1429815146 has 4 divisors (see below), whose sum is σ = 2144722722. Its totient is φ = 714907572.

The previous prime is 1429815143. The next prime is 1429815169. The reversal of 1429815146 is 6415189241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 821452921 + 608362225 = 28661^2 + 24665^2 .

It is not an unprimeable number, because it can be changed into a prime (1429815143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357453785 + ... + 357453788.

Almost surely, 2^1429815146 is an apocalyptic number.

1429815146 is a deficient number, since it is larger than the sum of its proper divisors (714907576).

1429815146 is an equidigital number, since it uses as much as digits as its factorization.

1429815146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714907575.

The product of its digits is 69120, while the sum is 41.

The square root of 1429815146 is about 37812.8965565983. The cubic root of 1429815146 is about 1126.5746236017.

The spelling of 1429815146 in words is "one billion, four hundred twenty-nine million, eight hundred fifteen thousand, one hundred forty-six".