145423514422 has 8 divisors (see below), whose sum is σ = 218175556536. Its totient is φ = 72698328912.

The previous prime is 145423514419. The next prime is 145423514437. The reversal of 145423514422 is 224415324541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145423514422² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6700608 + ... + 6722275.

It is an arithmetic number, because the mean of its divisors is an integer number (27271944567).

Almost surely, 2^145423514422 is an apocalyptic number.

145423514422 is a deficient number, since it is larger than the sum of its proper divisors (72752042114).

145423514422 is a wasteful number, since it uses less digits than its factorization.

145423514422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13428302.

The product of its digits is 153600, while the sum is 37.

Adding to 145423514422 its reverse (224415324541), we get a palindrome (369838838963).

The spelling of 145423514422 in words is "one hundred forty-five billion, four hundred twenty-three million, five hundred fourteen thousand, four hundred twenty-two".