145284522 has 8 divisors (see below), whose sum is σ = 290569056. Its totient is φ = 48428172.

The previous prime is 145284511. The next prime is 145284541. The reversal of 145284522 is 225482541.

145284522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

145284522 is an admirable number.

It is a super-2 number, since 2×145284522² = 42215184665536968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 12107038 + ... + 12107049.

It is an arithmetic number, because the mean of its divisors is an integer number (36321132).

Almost surely, 2^145284522 is an apocalyptic number.

145284522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145284522 is a wasteful number, since it uses less digits than its factorization.

145284522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24214092.

The product of its digits is 25600, while the sum is 33.

The square root of 145284522 is about 12053.4029219968. The cubic root of 145284522 is about 525.7021860330.

The spelling of 145284522 in words is "one hundred forty-five million, two hundred eighty-four thousand, five hundred twenty-two".