144521298 has 12 divisors (see below), whose sum is σ = 313129518. Its totient is φ = 48173760.

The previous prime is 144521291. The next prime is 144521309. The reversal of 144521298 is 892125441.

144521298 is a `hidden beast` number, since 1 + 44 + 521 + 2 + 98 = 666.

144521298 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 78375609 + 66145689 = 8853^2 + 8133^2 .

It is a super-3 number, since 3×144521298³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (144521291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4014463 + ... + 4014498.

Almost surely, 2^144521298 is an apocalyptic number.

144521298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

144521298 is an abundant number, since it is smaller than the sum of its proper divisors (168608220).

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

144521298 is a wasteful number, since it uses less digits than its factorization.

144521298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8028969 (or 8028966 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 144521298 is about 12021.7011275443. The cubic root of 144521298 is about 524.7800112332.

The spelling of 144521298 in words is "one hundred forty-four million, five hundred twenty-one thousand, two hundred ninety-eight".