145521162 has 12 divisors (see below), whose sum is σ = 315295890. Its totient is φ = 48507048.

The previous prime is 145521151. The next prime is 145521163. The reversal of 145521162 is 261125541.

It can be written as a sum of positive squares in only one way, i.e., 99022401 + 46498761 = 9951^2 + 6819^2 .

It is not an unprimeable number, because it can be changed into a prime (145521163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4042237 + ... + 4042272.

Almost surely, 2^145521162 is an apocalyptic number.

145521162 is an abundant number, since it is smaller than the sum of its proper divisors (169774728).

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

145521162 is a wasteful number, since it uses less digits than its factorization.

145521162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084517 (or 8084514 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 145521162 is about 12063.2152430436. The cubic root of 145521162 is about 525.9874531360.

The spelling of 145521162 in words is "one hundred forty-five million, five hundred twenty-one thousand, one hundred sixty-two".