144533701 has 6 divisors (see below), whose sum is σ = 156507090. Its totient is φ = 133415568.

The previous prime is 144533699. The next prime is 144533717. The reversal of 144533701 is 107335441.

144533701 = T₄₇₀₉ + T₄₇₁₀ + ... + T₄₇₂₁.

It can be written as a sum of positive squares in 3 ways, for example, as 17430625 + 127103076 = 4175^2 + 11274^2 .

It is not a de Polignac number, because 144533701 - 2¹ = 144533699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144533701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144533761) 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 in 5 ways as a sum of consecutive naturals, for example, 427446 + ... + 427783.

It is an arithmetic number, because the mean of its divisors is an integer number (26084515).

Almost surely, 2^144533701 is an apocalyptic number.

It is an amenable number.

144533701 is a deficient number, since it is larger than the sum of its proper divisors (11973389).

144533701 is an equidigital number, since it uses as much as digits as its factorization.

144533701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855255 (or 855242 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 144533701 is about 12022.2169752504. The cubic root of 144533701 is about 524.7950232311.

The spelling of 144533701 in words is "one hundred forty-four million, five hundred thirty-three thousand, seven hundred one".