145318452422 has 32 divisors (see below), whose sum is σ = 264916219680. Its totient is φ = 58870264320.

The previous prime is 145318452413. The next prime is 145318452463. The reversal of 145318452422 is 224254813541.

It is a super-2 number, since 2×145318452422² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145318452422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8752163 + ... + 8768750.

It is an arithmetic number, because the mean of its divisors is an integer number (8278631865).

Almost surely, 2^145318452422 is an apocalyptic number.

145318452422 is a deficient number, since it is larger than the sum of its proper divisors (119597767258).

145318452422 is a wasteful number, since it uses less digits than its factorization.

145318452422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17520968.

The product of its digits is 307200, while the sum is 41.

The spelling of 145318452422 in words is "one hundred forty-five billion, three hundred eighteen million, four hundred fifty-two thousand, four hundred twenty-two".