144952237 has 6 divisors (see below), whose sum is σ = 150123818. Its totient is φ = 139953072.

The previous prime is 144952211. The next prime is 144952259. The reversal of 144952237 is 732259441.

It can be written as a sum of positive squares in 3 ways, for example, as 65189476 + 79762761 = 8074^2 + 8931^2 .

It is not a de Polignac number, because 144952237 - 2¹¹ = 144950189 is a prime.

It is a super-2 number, since 2×144952237² = 42022302022608338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144952196 and 144952205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144952267) 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, 85338 + ... + 87019.

Almost surely, 2^144952237 is an apocalyptic number.

It is an amenable number.

144952237 is a deficient number, since it is larger than the sum of its proper divisors (5171581).

144952237 is an equidigital number, since it uses as much as digits as its factorization.

144952237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172415 (or 172386 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 144952237 is about 12039.6111648176. The cubic root of 144952237 is about 525.3010965195.

The spelling of 144952237 in words is "one hundred forty-four million, nine hundred fifty-two thousand, two hundred thirty-seven".