144690532 has 18 divisors (see below), whose sum is σ = 294548982. Its totient is φ = 62010144.

The previous prime is 144690523. The next prime is 144690569. The reversal of 144690532 is 235096441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 130507776 + 14182756 = 11424^2 + 3766^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 368913 + ... + 369304.

Almost surely, 2^144690532 is an apocalyptic number.

It is an amenable number.

144690532 is an abundant number, since it is smaller than the sum of its proper divisors (149858450).

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

144690532 is a wasteful number, since it uses less digits than its factorization.

144690532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738235 (or 738226 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 144690532 is about 12028.7377558911. The cubic root of 144690532 is about 524.9847699286.

The spelling of 144690532 in words is "one hundred forty-four million, six hundred ninety thousand, five hundred thirty-two".