142455521344 has 14 divisors (see below), whose sum is σ = 282685175294. Its totient is φ = 71227760640.

The previous prime is 142455521339. The next prime is 142455521347. The reversal of 142455521344 is 443125554241.

It can be written as a sum of positive squares in only one way, i.e., 85315399744 + 57140121600 = 292088^2 + 239040^2 .

It is a super-2 number, since 2×142455521344² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142455521297 and 142455521306.

It is not an unprimeable number, because it can be changed into a prime (142455521347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112933697 + ... + 1112933824.

Almost surely, 2^142455521344 is an apocalyptic number.

It is an amenable number.

142455521344 is a deficient number, since it is larger than the sum of its proper divisors (140229653950).

142455521344 is an equidigital number, since it uses as much as digits as its factorization.

142455521344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225867533 (or 2225867523 counting only the distinct ones).

The product of its digits is 384000, while the sum is 40.

The spelling of 142455521344 in words is "one hundred forty-two billion, four hundred fifty-five million, five hundred twenty-one thousand, three hundred forty-four".