145053522 has 12 divisors (see below), whose sum is σ = 314282670. Its totient is φ = 48351168.

The previous prime is 145053521. The next prime is 145053523. The reversal of 145053522 is 225350541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (145053521) and next prime (145053523).

It can be written as a sum of positive squares in only one way, i.e., 144504441 + 549081 = 12021^2 + 741^2 .

It is not an unprimeable number, because it can be changed into a prime (145053521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4029247 + ... + 4029282.

Almost surely, 2^145053522 is an apocalyptic number.

145053522 is an abundant number, since it is smaller than the sum of its proper divisors (169229148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145053522 is a wasteful number, since it uses less digits than its factorization.

145053522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8058537 (or 8058534 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 145053522 is about 12043.8167538368. The cubic root of 145053522 is about 525.4234189598.

The spelling of 145053522 in words is "one hundred forty-five million, fifty-three thousand, five hundred twenty-two".