144158906 has 4 divisors (see below), whose sum is σ = 216238362. Its totient is φ = 72079452.

The previous prime is 144158879. The next prime is 144158933. The reversal of 144158906 is 609851441.

144158906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (144158879) and next prime (144158933).

It can be written as a sum of positive squares in only one way, i.e., 105904681 + 38254225 = 10291^2 + 6185^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144158906.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36039725 + ... + 36039728.

Almost surely, 2^144158906 is an apocalyptic number.

144158906 is a deficient number, since it is larger than the sum of its proper divisors (72079456).

144158906 is an equidigital number, since it uses as much as digits as its factorization.

144158906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72079455.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 144158906 is about 12006.6192577261. The cubic root of 144158906 is about 524.3410096006.

The spelling of 144158906 in words is "one hundred forty-four million, one hundred fifty-eight thousand, nine hundred six".