144508494 has 64 divisors (see below), whose sum is σ = 328204800. Its totient is φ = 42083712.

The previous prime is 144508493. The next prime is 144508519. The reversal of 144508494 is 494805441.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144508493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195177 + ... + 195915.

It is an arithmetic number, because the mean of its divisors is an integer number (5128200).

Almost surely, 2^144508494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144508494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164102400).

144508494 is an abundant number, since it is smaller than the sum of its proper divisors (183696306).

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

144508494 is a wasteful number, since it uses less digits than its factorization.

144508494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 144508494 is about 12021.1685788030. The cubic root of 144508494 is about 524.7645129830.

The spelling of 144508494 in words is "one hundred forty-four million, five hundred eight thousand, four hundred ninety-four".