145522332031 has 2 divisors, whose sum is σ = 145522332032. Its totient is φ = 145522332030.

The previous prime is 145522332023. The next prime is 145522332049. The reversal of 145522332031 is 130233225541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145522332031 - 2³ = 145522332023 is a prime.

It is a super-2 number, since 2×145522332031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145522331984 and 145522332002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145522333031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72761166015 + 72761166016.

It is an arithmetic number, because the mean of its divisors is an integer number (72761166016).

Almost surely, 2^145522332031 is an apocalyptic number.

145522332031 is a deficient number, since it is larger than the sum of its proper divisors (1).

145522332031 is an equidigital number, since it uses as much as digits as its factorization.

145522332031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 145522332031 its reverse (130233225541), we get a palindrome (275755557572).

The spelling of 145522332031 in words is "one hundred forty-five billion, five hundred twenty-two million, three hundred thirty-two thousand, thirty-one".