144619652 has 6 divisors (see below), whose sum is σ = 253084398. Its totient is φ = 72309824.

The previous prime is 144619639. The next prime is 144619721. The reversal of 144619652 is 256916441.

It can be written as a sum of positive squares in only one way, i.e., 140754496 + 3865156 = 11864^2 + 1966^2 .

It is a super-2 number, since 2×144619652² = 41829687489202208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18077453 + ... + 18077460.

It is an arithmetic number, because the mean of its divisors is an integer number (42180733).

Almost surely, 2^144619652 is an apocalyptic number.

It is an amenable number.

144619652 is a deficient number, since it is larger than the sum of its proper divisors (108464746).

144619652 is a wasteful number, since it uses less digits than its factorization.

144619652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36154917 (or 36154915 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 144619652 is about 12025.7911174276. The cubic root of 144619652 is about 524.8990306203.

The spelling of 144619652 in words is "one hundred forty-four million, six hundred nineteen thousand, six hundred fifty-two".