145422666526 has 16 divisors (see below), whose sum is σ = 231266649600. Its totient is φ = 68388847128.

The previous prime is 145422666509. The next prime is 145422666539. The reversal of 145422666526 is 625666224541.

It is a happy number.

It is a super-2 number, since 2×145422666526² (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 145422666526.

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 7 ways as a sum of consecutive naturals, for example, 13760590 + ... + 13771153.

It is an arithmetic number, because the mean of its divisors is an integer number (14454165600).

Almost surely, 2^145422666526 is an apocalyptic number.

145422666526 is a deficient number, since it is larger than the sum of its proper divisors (85843983074).

145422666526 is a wasteful number, since it uses less digits than its factorization.

145422666526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27531903.

The product of its digits is 4147200, while the sum is 49.

The spelling of 145422666526 in words is "one hundred forty-five billion, four hundred twenty-two million, six hundred sixty-six thousand, five hundred twenty-six".