142543064546 has 24 divisors (see below), whose sum is σ = 219813623316. Its totient is φ = 69325058880.

The previous prime is 142543064471. The next prime is 142543064549. The reversal of 142543064546 is 645460345241.

It can be written as a sum of positive squares in 6 ways, for example, as 107609585521 + 34933479025 = 328039^2 + 186905^2 .

It is a super-2 number, since 2×142543064546² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142543064497 and 142543064506.

It is not an unprimeable number, because it can be changed into a prime (142543064549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14333936 + ... + 14343876.

Almost surely, 2^142543064546 is an apocalyptic number.

142543064546 is a deficient number, since it is larger than the sum of its proper divisors (77270558770).

142543064546 is an equidigital number, since it uses as much as digits as its factorization.

142543064546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15254 (or 15217 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 142543064546 in words is "one hundred forty-two billion, five hundred forty-three million, sixty-four thousand, five hundred forty-six".