144640600 has 48 divisors (see below), whose sum is σ = 362164320. Its totient is φ = 53404800.

The previous prime is 144640549. The next prime is 144640609. The reversal of 144640600 is 6046441.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144640609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25216 + ... + 30415.

It is an arithmetic number, because the mean of its divisors is an integer number (7545090).

Almost surely, 2^144640600 is an apocalyptic number.

144640600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144640600 is an abundant number, since it is smaller than the sum of its proper divisors (217523720).

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

144640600 is a wasteful number, since it uses less digits than its factorization.

144640600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55660 (or 55651 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 144640600 is about 12026.6620473014. The cubic root of 144640600 is about 524.9243730822.

The spelling of 144640600 in words is "one hundred forty-four million, six hundred forty thousand, six hundred".