144904650 has 96 divisors (see below), whose sum is σ = 399670848. Its totient is φ = 34444800.

The previous prime is 144904609. The next prime is 144904657. The reversal of 144904650 is 56409441.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (144904657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86622 + ... + 88278.

It is an arithmetic number, because the mean of its divisors is an integer number (4163238).

Almost surely, 2^144904650 is an apocalyptic number.

144904650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 144904650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199835424).

144904650 is an abundant number, since it is smaller than the sum of its proper divisors (254766198).

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

144904650 is a wasteful number, since it uses less digits than its factorization.

144904650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 144904650 is about 12037.6347344485. The cubic root of 144904650 is about 525.2436057676.

The spelling of 144904650 in words is "one hundred forty-four million, nine hundred four thousand, six hundred fifty".