144152551 has 4 divisors (see below), whose sum is σ = 144416632. Its totient is φ = 143888472.

The previous prime is 144152549. The next prime is 144152587. The reversal of 144152551 is 155251441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155251441 = 31 ⋅5008111.

It is a cyclic number.

It is not a de Polignac number, because 144152551 - 2¹ = 144152549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144152521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131220 + ... + 132313.

It is an arithmetic number, because the mean of its divisors is an integer number (36104158).

Almost surely, 2^144152551 is an apocalyptic number.

144152551 is a deficient number, since it is larger than the sum of its proper divisors (264081).

144152551 is an equidigital number, since it uses as much as digits as its factorization.

144152551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264080.

The product of its digits is 4000, while the sum is 28.

The square root of 144152551 is about 12006.3546091226. The cubic root of 144152551 is about 524.3333045938. Note that the first 4 decimals are identical.

The spelling of 144152551 in words is "one hundred forty-four million, one hundred fifty-two thousand, five hundred fifty-one".