144552451 has 8 divisors (see below), whose sum is σ = 149448224. Its totient is φ = 139708800.

The previous prime is 144552449. The next prime is 144552469. The reversal of 144552451 is 154255441.

It is a happy number.

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 144552451 - 2¹ = 144552449 is a prime.

It is a super-2 number, since 2×144552451² = 41790822180214802, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (144552431) 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, 7350 + ... + 18523.

It is an arithmetic number, because the mean of its divisors is an integer number (18681028).

Almost surely, 2^144552451 is an apocalyptic number.

144552451 is a deficient number, since it is larger than the sum of its proper divisors (4895773).

144552451 is a wasteful number, since it uses less digits than its factorization.

144552451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26061.

The product of its digits is 16000, while the sum is 31.

The square root of 144552451 is about 12022.9967562168. The cubic root of 144552451 is about 524.8177157039.

The spelling of 144552451 in words is "one hundred forty-four million, five hundred fifty-two thousand, four hundred fifty-one".