145944028 has 6 divisors (see below), whose sum is σ = 255402056. Its totient is φ = 72972012.

The previous prime is 145944017. The next prime is 145944053. The reversal of 145944028 is 820449541.

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, 18243000 + ... + 18243007.

Almost surely, 2^145944028 is an apocalyptic number.

It is an amenable number.

145944028 is a deficient number, since it is larger than the sum of its proper divisors (109458028).

145944028 is a wasteful number, since it uses less digits than its factorization.

145944028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36486011 (or 36486009 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 145944028 is about 12080.7296137278. The cubic root of 145944028 is about 526.4964446597.

The spelling of 145944028 in words is "one hundred forty-five million, nine hundred forty-four thousand, twenty-eight".