142452510481 has 4 divisors (see below), whose sum is σ = 144168805872. Its totient is φ = 140736215092.

The previous prime is 142452510479. The next prime is 142452510517. The reversal of 142452510481 is 184015254241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142452510481 - 2¹ = 142452510479 is a prime.

It is a super-2 number, since 2×142452510481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142452510481.

It is not an unprimeable number, because it can be changed into a prime (142452510581) 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 3 ways as a sum of consecutive naturals, for example, 858147571 + ... + 858147736.

It is an arithmetic number, because the mean of its divisors is an integer number (36042201468).

Almost surely, 2^142452510481 is an apocalyptic number.

It is an amenable number.

142452510481 is a deficient number, since it is larger than the sum of its proper divisors (1716295391).

142452510481 is an equidigital number, since it uses as much as digits as its factorization.

142452510481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716295390.

The product of its (nonzero) digits is 51200, while the sum is 37.

The spelling of 142452510481 in words is "one hundred forty-two billion, four hundred fifty-two million, five hundred ten thousand, four hundred eighty-one".