144637660 has 12 divisors (see below), whose sum is σ = 303739128. Its totient is φ = 57855056.

The previous prime is 144637651. The next prime is 144637667. The reversal of 144637660 is 66736441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144637667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3615922 + ... + 3615961.

It is an arithmetic number, because the mean of its divisors is an integer number (25311594).

Almost surely, 2^144637660 is an apocalyptic number.

144637660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144637660 is an abundant number, since it is smaller than the sum of its proper divisors (159101468).

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

144637660 is a wasteful number, since it uses less digits than its factorization.

144637660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231892 (or 7231890 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 144637660 is about 12026.5398182520. The cubic root of 144637660 is about 524.9208164779.

The spelling of 144637660 in words is "one hundred forty-four million, six hundred thirty-seven thousand, six hundred sixty".