145601744 has 10 divisors (see below), whose sum is σ = 282103410. Its totient is φ = 72800864.

The previous prime is 145601711. The next prime is 145601749. The reversal of 145601744 is 447106541.

It can be written as a sum of positive squares in only one way, i.e., 125171344 + 20430400 = 11188^2 + 4520^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145601744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145601749) 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 as a sum of consecutive naturals, namely, 4550039 + ... + 4550070.

It is an arithmetic number, because the mean of its divisors is an integer number (28210341).

Almost surely, 2^145601744 is an apocalyptic number.

It is an amenable number.

145601744 is a deficient number, since it is larger than the sum of its proper divisors (136501666).

145601744 is an equidigital number, since it uses as much as digits as its factorization.

145601744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9100117 (or 9100111 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 145601744 is about 12066.5547692786. The cubic root of 145601744 is about 526.0845233243.

The spelling of 145601744 in words is "one hundred forty-five million, six hundred one thousand, seven hundred forty-four".