144650631 has 8 divisors (see below), whose sum is σ = 196971264. Its totient is φ = 94381880.

The previous prime is 144650617. The next prime is 144650633. The reversal of 144650631 is 136056441.

144650631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 144650631 - 2⁶ = 144650567 is a prime.

It is a super-2 number, since 2×144650631² = 41847610097396322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144650633) 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, 512805 + ... + 513086.

It is an arithmetic number, because the mean of its divisors is an integer number (24621408).

Almost surely, 2^144650631 is an apocalyptic number.

144650631 is a deficient number, since it is larger than the sum of its proper divisors (52320633).

144650631 is a wasteful number, since it uses less digits than its factorization.

144650631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025941.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 144650631 is about 12027.0790718279. The cubic root of 144650631 is about 524.9365075144.

The spelling of 144650631 in words is "one hundred forty-four million, six hundred fifty thousand, six hundred thirty-one".