142132004450531 has 4 divisors (see below), whose sum is σ = 145598638705464. Its totient is φ = 138665370195600.

The previous prime is 142132004450483. The next prime is 142132004450587. The reversal of 142132004450531 is 135054400231241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142132004450531 - 2³⁰ = 142130930708707 is a prime.

It is a super-2 number, since 2×142132004450531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142132004450491 and 142132004450500.

It is not an unprimeable number, because it can be changed into a prime (142132004453531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1733317127405 + ... + 1733317127486.

It is an arithmetic number, because the mean of its divisors is an integer number (36399659676366).

Almost surely, 2^{142132004450531} is an apocalyptic number.

142132004450531 is a deficient number, since it is larger than the sum of its proper divisors (3466634254933).

142132004450531 is an equidigital number, since it uses as much as digits as its factorization.

142132004450531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466634254932.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 142132004450531 its reverse (135054400231241), we get a palindrome (277186404681772).

The spelling of 142132004450531 in words is "one hundred forty-two trillion, one hundred thirty-two billion, four million, four hundred fifty thousand, five hundred thirty-one".