145144437 has 8 divisors (see below), whose sum is σ = 196698720. Its totient is φ = 95176560.

The previous prime is 145144429. The next prime is 145144471. The reversal of 145144437 is 734441541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145144437 - 2³ = 145144429 is a prime.

It is a super-3 number, since 3×145144437³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145144398 and 145144407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145144427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396387 + ... + 396752.

It is an arithmetic number, because the mean of its divisors is an integer number (24587340).

Almost surely, 2^145144437 is an apocalyptic number.

It is an amenable number.

145144437 is a deficient number, since it is larger than the sum of its proper divisors (51554283).

145144437 is an equidigital number, since it uses as much as digits as its factorization.

145144437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793203.

The product of its digits is 26880, while the sum is 33.

The square root of 145144437 is about 12047.5905059892. The cubic root of 145144437 is about 525.5331690092.

Adding to 145144437 its reverse (734441541), we get a palindrome (879585978).

The spelling of 145144437 in words is "one hundred forty-five million, one hundred forty-four thousand, four hundred thirty-seven".