145024552522 has 8 divisors (see below), whose sum is σ = 218068704900. Its totient is φ = 72334984224.

The previous prime is 145024552513. The next prime is 145024552523. The reversal of 145024552522 is 225255420541.

It can be written as a sum of positive squares in 2 ways, for example, as 121256471961 + 23768080561 = 348219^2 + 154169^2 .

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

It is not an unprimeable number, because it can be changed into a prime (145024552523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88644997 + ... + 88646632.

Almost surely, 2^145024552522 is an apocalyptic number.

145024552522 is a deficient number, since it is larger than the sum of its proper divisors (73044152378).

145024552522 is a wasteful number, since it uses less digits than its factorization.

145024552522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177292040.

The product of its (nonzero) digits is 160000, while the sum is 37.

The spelling of 145024552522 in words is "one hundred forty-five billion, twenty-four million, five hundred fifty-two thousand, five hundred twenty-two".