144601561452 has 24 divisors (see below), whose sum is σ = 337456321216. Its totient is φ = 48192995088.

The previous prime is 144601561333. The next prime is 144601561463. The reversal of 144601561452 is 254165106441.

It is a super-2 number, since 2×144601561452² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144601561452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860338 + ... + 1014585.

Almost surely, 2^144601561452 is an apocalyptic number.

144601561452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144601561452 is an abundant number, since it is smaller than the sum of its proper divisors (192854759764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144601561452 is a wasteful number, since it uses less digits than its factorization.

144601561452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881357 (or 1881355 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

Adding to 144601561452 its reverse (254165106441), we get a palindrome (398766667893).

The spelling of 144601561452 in words is "one hundred forty-four billion, six hundred one million, five hundred sixty-one thousand, four hundred fifty-two".