145142142031 has 2 divisors, whose sum is σ = 145142142032. Its totient is φ = 145142142030.

The previous prime is 145142142029. The next prime is 145142142077. The reversal of 145142142031 is 130241241541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145142142031 - 2¹ = 145142142029 is a prime.

It is a super-2 number, since 2×145142142031² (a number of 23 digits) contains 22 as substring.

Together with 145142142029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145142146031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72571071015 + 72571071016.

It is an arithmetic number, because the mean of its divisors is an integer number (72571071016).

Almost surely, 2^145142142031 is an apocalyptic number.

145142142031 is a deficient number, since it is larger than the sum of its proper divisors (1).

145142142031 is an equidigital number, since it uses as much as digits as its factorization.

145142142031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 145142142031 its reverse (130241241541), we get a palindrome (275383383572).

The spelling of 145142142031 in words is "one hundred forty-five billion, one hundred forty-two million, one hundred forty-two thousand, thirty-one".