145252522922 has 32 divisors (see below), whose sum is σ = 238007113344. Its totient is φ = 66077726400.

The previous prime is 145252522879. The next prime is 145252522927. The reversal of 145252522922 is 229225252541.

It is a super-2 number, since 2×145252522922² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145252522922.

It is not an unprimeable number, because it can be changed into a prime (145252522927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8965313 + ... + 8981499.

It is an arithmetic number, because the mean of its divisors is an integer number (7437722292).

Almost surely, 2^145252522922 is an apocalyptic number.

145252522922 is a deficient number, since it is larger than the sum of its proper divisors (92754590422).

145252522922 is a wasteful number, since it uses less digits than its factorization.

145252522922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21134.

The product of its digits is 288000, while the sum is 41.

The spelling of 145252522922 in words is "one hundred forty-five billion, two hundred fifty-two million, five hundred twenty-two thousand, nine hundred twenty-two".