145332145453522 has 8 divisors (see below), whose sum is σ = 217998280322172. Its totient is φ = 72666052012800.

The previous prime is 145332145453519. The next prime is 145332145453603. The reversal of 145332145453522 is 225354541233541.

It can be written as a sum of positive squares in 2 ways, for example, as 119658679977321 + 25673465476201 = 10938861^2 + 5066899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145332145453522² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829822 + ... + 17069062.

Almost surely, 2^{145332145453522} is an apocalyptic number.

145332145453522 is a deficient number, since it is larger than the sum of its proper divisors (72666134868650).

145332145453522 is a wasteful number, since it uses less digits than its factorization.

145332145453522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20713964.

The product of its digits is 8640000, while the sum is 49.

The spelling of 145332145453522 in words is "one hundred forty-five trillion, three hundred thirty-two billion, one hundred forty-five million, four hundred fifty-three thousand, five hundred twenty-two".