144136506 has 16 divisors (see below), whose sum is σ = 305230464. Its totient is φ = 45219264.

The previous prime is 144136483. The next prime is 144136511. The reversal of 144136506 is 605631441.

144136506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706450 + ... + 706653.

It is an arithmetic number, because the mean of its divisors is an integer number (19076904).

Almost surely, 2^144136506 is an apocalyptic number.

144136506 is an abundant number, since it is smaller than the sum of its proper divisors (161093958).

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

144136506 is a wasteful number, since it uses less digits than its factorization.

144136506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413125.

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

The square root of 144136506 is about 12005.6864027010. The cubic root of 144136506 is about 524.3138501109.

Adding to 144136506 its reverse (605631441), we get a palindrome (749767947).

The spelling of 144136506 in words is "one hundred forty-four million, one hundred thirty-six thousand, five hundred six".