142440045848252 has 12 divisors (see below), whose sum is σ = 252990529193640. Its totient is φ = 70157037507216.

The previous prime is 142440045848231. The next prime is 142440045848267. The reversal of 142440045848252 is 252848540044241.

It is a super-2 number, since 2×142440045848252² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142440045848194 and 142440045848203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265746353927 + ... + 265746354462.

It is an arithmetic number, because the mean of its divisors is an integer number (21082544099470).

Almost surely, 2^{142440045848252} is an apocalyptic number.

It is an amenable number.

142440045848252 is a deficient number, since it is larger than the sum of its proper divisors (110550483345388).

142440045848252 is a wasteful number, since it uses less digits than its factorization.

142440045848252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531492708460 (or 531492708458 counting only the distinct ones).

The product of its (nonzero) digits is 13107200, while the sum is 53.

The spelling of 142440045848252 in words is "one hundred forty-two trillion, four hundred forty billion, forty-five million, eight hundred forty-eight thousand, two hundred fifty-two".