145295944 has 8 divisors (see below), whose sum is σ = 272429910. Its totient is φ = 72647968.

The previous prime is 145295933. The next prime is 145295947. The reversal of 145295944 is 449592541.

It can be written as a sum of positive squares in only one way, i.e., 81902500 + 63393444 = 9050^2 + 7962^2 .

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

It is a super-2 number, since 2×145295944² = 42221822685702272, 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 145295944.

It is not an unprimeable number, because it can be changed into a prime (145295947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9080989 + ... + 9081004.

Almost surely, 2^145295944 is an apocalyptic number.

It is an amenable number.

145295944 is a deficient number, since it is larger than the sum of its proper divisors (127133966).

145295944 is a wasteful number, since it uses less digits than its factorization.

145295944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18161999 (or 18161995 counting only the distinct ones).

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

The square root of 145295944 is about 12053.8767207899. The cubic root of 145295944 is about 525.7159622494.

The spelling of 145295944 in words is "one hundred forty-five million, two hundred ninety-five thousand, nine hundred forty-four".