145422605234 has 8 divisors (see below), whose sum is σ = 224029418988. Its totient is φ = 70746132240.

The previous prime is 145422605233. The next prime is 145422605239. The reversal of 145422605234 is 432506224541.

It can be written as a sum of positive squares in 2 ways, for example, as 127304099209 + 18118506025 = 356797^2 + 134605^2 .

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

It is a super-2 number, since 2×145422605234² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145422605233) by changing a digit.

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, 982585097 + ... + 982585244.

Almost surely, 2^145422605234 is an apocalyptic number.

145422605234 is a deficient number, since it is larger than the sum of its proper divisors (78606813754).

145422605234 is a wasteful number, since it uses less digits than its factorization.

145422605234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965170380.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 145422605234 its reverse (432506224541), we get a palindrome (577928829775).

The spelling of 145422605234 in words is "one hundred forty-five billion, four hundred twenty-two million, six hundred five thousand, two hundred thirty-four".