245429685 has 24 divisors (see below), whose sum is σ = 427564800. Its totient is φ = 130233312.

The previous prime is 245429683. The next prime is 245429689. The reversal of 245429685 is 586924542.

245429685 is a `hidden beast` number, since 24 + 542 + 9 + 6 + 85 = 666.

It is not a de Polignac number, because 245429685 - 2¹ = 245429683 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 245429685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245429683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4749 + ... + 22658.

It is an arithmetic number, because the mean of its divisors is an integer number (17815200).

Almost surely, 2^245429685 is an apocalyptic number.

It is an amenable number.

245429685 is a deficient number, since it is larger than the sum of its proper divisors (182135115).

245429685 is a wasteful number, since it uses less digits than its factorization.

245429685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27617 (or 27614 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 245429685 is about 15666.1956134857. The cubic root of 245429685 is about 626.0980675332.

The spelling of 245429685 in words is "two hundred forty-five million, four hundred twenty-nine thousand, six hundred eighty-five".