145384028 has 6 divisors (see below), whose sum is σ = 254422056. Its totient is φ = 72692012.

The previous prime is 145383971. The next prime is 145384049. The reversal of 145384028 is 820483541.

It is a super-2 number, since 2×145384028² = 42273031195009568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18173000 + ... + 18173007.

It is an arithmetic number, because the mean of its divisors is an integer number (42403676).

Almost surely, 2^145384028 is an apocalyptic number.

It is an amenable number.

145384028 is a deficient number, since it is larger than the sum of its proper divisors (109038028).

145384028 is a wasteful number, since it uses less digits than its factorization.

145384028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36346011 (or 36346009 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 145384028 is about 12057.5299294673. The cubic root of 145384028 is about 525.8221772130.

The spelling of 145384028 in words is "one hundred forty-five million, three hundred eighty-four thousand, twenty-eight".