144755461 has 8 divisors (see below), whose sum is σ = 153070848. Its totient is φ = 136668000.

The previous prime is 144755449. The next prime is 144755473. The reversal of 144755461 is 164557441.

It is an interprime number because it is at equal distance from previous prime (144755449) and next prime (144755473).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144755461 - 2²¹ = 142658309 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 144755461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144755431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55675 + ... + 58216.

It is an arithmetic number, because the mean of its divisors is an integer number (19133856).

Almost surely, 2^144755461 is an apocalyptic number.

It is an amenable number.

144755461 is a deficient number, since it is larger than the sum of its proper divisors (8315387).

144755461 is a wasteful number, since it uses less digits than its factorization.

144755461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113963.

The product of its digits is 67200, while the sum is 37.

The square root of 144755461 is about 12031.4363647904. The cubic root of 144755461 is about 525.0632860973.

The spelling of 144755461 in words is "one hundred forty-four million, seven hundred fifty-five thousand, four hundred sixty-one".