144149619 has 8 divisors (see below), whose sum is σ = 193602960. Its totient is φ = 95398016.

The previous prime is 144149617. The next prime is 144149639. The reversal of 144149619 is 916941441.

144149619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144149619 - 2¹ = 144149617 is a prime.

It is a super-2 number, since 2×144149619² = 41558225315690322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144149617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174954 + ... + 175775.

It is an arithmetic number, because the mean of its divisors is an integer number (24200370).

Almost surely, 2^144149619 is an apocalyptic number.

144149619 is a deficient number, since it is larger than the sum of its proper divisors (49453341).

144149619 is a wasteful number, since it uses less digits than its factorization.

144149619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350869.

The product of its digits is 31104, while the sum is 39.

The square root of 144149619 is about 12006.2325064943. The cubic root of 144149619 is about 524.3297496661.

The spelling of 144149619 in words is "one hundred forty-four million, one hundred forty-nine thousand, six hundred nineteen".