730000144 has 10 divisors (see below), whose sum is σ = 1414375310. Its totient is φ = 365000064.

The previous prime is 730000133. The next prime is 730000153. The reversal of 730000144 is 441000037.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 681836544 + 48163600 = 26112^2 + 6940^2 .

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, 22812489 + ... + 22812520.

It is an arithmetic number, because the mean of its divisors is an integer number (141437531).

Almost surely, 2^730000144 is an apocalyptic number.

It is an amenable number.

730000144 is a deficient number, since it is larger than the sum of its proper divisors (684375166).

730000144 is a wasteful number, since it uses less digits than its factorization.

730000144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45625017 (or 45625011 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 730000144 is about 27018.5148370520. The cubic root of 730000144 is about 900.4113938145.

The spelling of 730000144 in words is "seven hundred thirty million, one hundred forty-four", and thus it is an aban number.