142035521847 has 16 divisors (see below), whose sum is σ = 191300778240. Its totient is φ = 93731090112.

The previous prime is 142035521843. The next prime is 142035521851. The reversal of 142035521847 is 748125530241.

It is an interprime number because it is at equal distance from previous prime (142035521843) and next prime (142035521851).

It is not a de Polignac number, because 142035521847 - 2² = 142035521843 is a prime.

It is a super-2 number, since 2×142035521847² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142035521799 and 142035521808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142035521843) 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 15 ways as a sum of consecutive naturals, for example, 637804 + ... + 831182.

It is an arithmetic number, because the mean of its divisors is an integer number (11956298640).

Almost surely, 2^142035521847 is an apocalyptic number.

142035521847 is a deficient number, since it is larger than the sum of its proper divisors (49265256393).

142035521847 is a wasteful number, since it uses less digits than its factorization.

142035521847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195862.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 142035521847 in words is "one hundred forty-two billion, thirty-five million, five hundred twenty-one thousand, eight hundred forty-seven".