429165945 has 64 divisors (see below), whose sum is σ = 832070400. Its totient is φ = 211211712.

The previous prime is 429165943. The next prime is 429165959. The reversal of 429165945 is 549561924.

429165945 is a `hidden beast` number, since 42 + 9 + 16 + 594 + 5 = 666.

It is not a de Polignac number, because 429165945 - 2¹ = 429165943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 429165945.

It is not an unprimeable number, because it can be changed into a prime (429165943) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140646 + ... + 143664.

It is an arithmetic number, because the mean of its divisors is an integer number (13001100).

Almost surely, 2^429165945 is an apocalyptic number.

429165945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

429165945 is a deficient number, since it is larger than the sum of its proper divisors (402904455).

429165945 is an equidigital number, since it uses as much as digits as its factorization.

429165945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058 (or 3040 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 429165945 is about 20716.3207399384. The cubic root of 429165945 is about 754.2959066011.

The spelling of 429165945 in words is "four hundred twenty-nine million, one hundred sixty-five thousand, nine hundred forty-five".