144658979522 has 4 divisors (see below), whose sum is σ = 216988469286. Its totient is φ = 72329489760.

The previous prime is 144658979503. The next prime is 144658979539. The reversal of 144658979522 is 225979856441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225979856441 = 44963 ⋅5025907.

It can be written as a sum of positive squares in only one way, i.e., 106074627481 + 38584352041 = 325691^2 + 196429^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36164744879 + ... + 36164744882.

Almost surely, 2^144658979522 is an apocalyptic number.

144658979522 is a deficient number, since it is larger than the sum of its proper divisors (72329489764).

144658979522 is an equidigital number, since it uses as much as digits as its factorization.

144658979522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72329489763.

The product of its digits is 43545600, while the sum is 62.

The spelling of 144658979522 in words is "one hundred forty-four billion, six hundred fifty-eight million, nine hundred seventy-nine thousand, five hundred twenty-two".