145247316622 has 4 divisors (see below), whose sum is σ = 217870974936. Its totient is φ = 72623658310.

The previous prime is 145247316619. The next prime is 145247316631. The reversal of 145247316622 is 226613742541.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 36311829154 + ... + 36311829157.

It is an arithmetic number, because the mean of its divisors is an integer number (54467743734).

Almost surely, 2^145247316622 is an apocalyptic number.

145247316622 is a deficient number, since it is larger than the sum of its proper divisors (72623658314).

145247316622 is an equidigital number, since it uses as much as digits as its factorization.

145247316622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72623658313.

The product of its digits is 483840, while the sum is 43.

The spelling of 145247316622 in words is "one hundred forty-five billion, two hundred forty-seven million, three hundred sixteen thousand, six hundred twenty-two".