247142546045 has 16 divisors (see below), whose sum is σ = 306221380608. Its totient is φ = 191283966720.

The previous prime is 247142546023. The next prime is 247142546099. The reversal of 247142546045 is 540645241742.

It is a happy number.

It is not a de Polignac number, because 247142546045 - 2¹⁴ = 247142529661 is a prime.

It is a super-2 number, since 2×247142546045² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 247142545987 and 247142546005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357392 + ... + 788678.

It is an arithmetic number, because the mean of its divisors is an integer number (19138836288).

Almost surely, 2^247142546045 is an apocalyptic number.

It is an amenable number.

247142546045 is a deficient number, since it is larger than the sum of its proper divisors (59078834563).

247142546045 is a wasteful number, since it uses less digits than its factorization.

247142546045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435020.

The product of its (nonzero) digits is 1075200, while the sum is 44.

Adding to 247142546045 its reverse (540645241742), we get a palindrome (787787787787).

The spelling of 247142546045 in words is "two hundred forty-seven billion, one hundred forty-two million, five hundred forty-six thousand, forty-five".