144724972 has 12 divisors (see below), whose sum is σ = 289450000. Its totient is φ = 62024976.

The previous prime is 144724969. The next prime is 144724997. The reversal of 144724972 is 279427441.

It is a happy number.

144724972 is an admirable number.

It is a super-3 number, since 3×144724972³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2584347 + ... + 2584402.

Almost surely, 2^144724972 is an apocalyptic number.

It is an amenable number.

144724972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

144724972 is a wasteful number, since it uses less digits than its factorization.

144724972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168760 (or 5168758 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 144724972 is about 12030.1692423673. The cubic root of 144724972 is about 525.0264198345.

The spelling of 144724972 in words is "one hundred forty-four million, seven hundred twenty-four thousand, nine hundred seventy-two".