145925944 has 8 divisors (see below), whose sum is σ = 273611160. Its totient is φ = 72962968.

The previous prime is 145925887. The next prime is 145925957. The reversal of 145925944 is 449529541.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×145925944² = 42588762264582272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145925944.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9120364 + ... + 9120379.

It is an arithmetic number, because the mean of its divisors is an integer number (34201395).

Almost surely, 2^145925944 is an apocalyptic number.

It is an amenable number.

145925944 is a deficient number, since it is larger than the sum of its proper divisors (127685216).

145925944 is a wasteful number, since it uses less digits than its factorization.

145925944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18240749 (or 18240745 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 145925944 is about 12079.9811258131. The cubic root of 145925944 is about 526.4746976125.

The spelling of 145925944 in words is "one hundred forty-five million, nine hundred twenty-five thousand, nine hundred forty-four".