1429430157 has 12 divisors (see below), whose sum is σ = 2087932860. Its totient is φ = 942245568.

The previous prime is 1429430143. The next prime is 1429430161. The reversal of 1429430157 is 7510349241.

1429430157 is a `hidden beast` number, since 14 + 294 + 301 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 914094756 + 515335401 = 30234^2 + 22701^2 .

It is not a de Polignac number, because 1429430157 - 2¹¹ = 1429428109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429430257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 891478 + ... + 893079.

It is an arithmetic number, because the mean of its divisors is an integer number (173994405).

Almost surely, 2^1429430157 is an apocalyptic number.

It is an amenable number.

1429430157 is a deficient number, since it is larger than the sum of its proper divisors (658502703).

1429430157 is a wasteful number, since it uses less digits than its factorization.

1429430157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784652 (or 1784649 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1429430157 is about 37807.8055036258. The cubic root of 1429430157 is about 1126.4735014922.

Adding to 1429430157 its reverse (7510349241), we get a palindrome (8939779398).

The spelling of 1429430157 in words is "one billion, four hundred twenty-nine million, four hundred thirty thousand, one hundred fifty-seven".