434345157 has 12 divisors (see below), whose sum is σ = 630856044. Its totient is φ = 287962560.

The previous prime is 434345143. The next prime is 434345159. The reversal of 434345157 is 751543434.

It can be written as a sum of positive squares in 2 ways, for example, as 183629601 + 250715556 = 13551^2 + 15834^2 .

It is not a de Polignac number, because 434345157 - 2¹⁹ = 433820869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434345159) 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, 131688 + ... + 134945.

It is an arithmetic number, because the mean of its divisors is an integer number (52571337).

Almost surely, 2^434345157 is an apocalyptic number.

It is an amenable number.

434345157 is a deficient number, since it is larger than the sum of its proper divisors (196510887).

434345157 is a wasteful number, since it uses less digits than its factorization.

434345157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266820 (or 266817 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 434345157 is about 20840.9490426900. The cubic root of 434345157 is about 757.3180846042.

The spelling of 434345157 in words is "four hundred thirty-four million, three hundred forty-five thousand, one hundred fifty-seven".