245305772043 has 8 divisors (see below), whose sum is σ = 327078829056. Its totient is φ = 163534948200.

The previous prime is 245305772021. The next prime is 245305772057. The reversal of 245305772043 is 340277503542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245305772043 - 2⁸ = 245305771787 is a prime.

It is a super-2 number, since 2×245305772043² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245305771986 and 245305772004.

It is not an unprimeable number, because it can be changed into a prime (245305772143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282523 + ... + 755268.

It is an arithmetic number, because the mean of its divisors is an integer number (40884853632).

Almost surely, 2^245305772043 is an apocalyptic number.

245305772043 is a deficient number, since it is larger than the sum of its proper divisors (81773057013).

245305772043 is a wasteful number, since it uses less digits than its factorization.

245305772043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116585.

The product of its (nonzero) digits is 705600, while the sum is 42.

The spelling of 245305772043 in words is "two hundred forty-five billion, three hundred five million, seven hundred seventy-two thousand, forty-three".