145626289022 has 4 divisors (see below), whose sum is σ = 218439433536. Its totient is φ = 72813144510.

The previous prime is 145626289021. The next prime is 145626289079. The reversal of 145626289022 is 220982626541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220982626541 = 120947 ⋅1827103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145626289021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36406572254 + ... + 36406572257.

It is an arithmetic number, because the mean of its divisors is an integer number (54609858384).

Almost surely, 2^145626289022 is an apocalyptic number.

145626289022 is a deficient number, since it is larger than the sum of its proper divisors (72813144514).

145626289022 is an equidigital number, since it uses as much as digits as its factorization.

145626289022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72813144513.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 145626289022 in words is "one hundred forty-five billion, six hundred twenty-six million, two hundred eighty-nine thousand, twenty-two".