145562028 has 12 divisors (see below), whose sum is σ = 339644760. Its totient is φ = 48520672.

The previous prime is 145561993. The next prime is 145562029. The reversal of 145562028 is 820265541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 145562028.

It is not an unprimeable number, because it can be changed into a prime (145562029) 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 3 ways as a sum of consecutive naturals, for example, 6065073 + ... + 6065096.

It is an arithmetic number, because the mean of its divisors is an integer number (28303730).

Almost surely, 2^145562028 is an apocalyptic number.

It is an amenable number.

145562028 is an abundant number, since it is smaller than the sum of its proper divisors (194082732).

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

145562028 is a wasteful number, since it uses less digits than its factorization.

145562028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12130176 (or 12130174 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 145562028 is about 12064.9089511691. The cubic root of 145562028 is about 526.0366853603.

The spelling of 145562028 in words is "one hundred forty-five million, five hundred sixty-two thousand, twenty-eight".