144946158 has 16 divisors (see below), whose sum is σ = 331305600. Its totient is φ = 41413176.

The previous prime is 144946141. The next prime is 144946169. The reversal of 144946158 is 851649441.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 3451099 = 144946158 / (1 + 4 + 4 + 9 + 4 + 6 + 1 + 5 + 8).

It is a congruent number.

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, 1725508 + ... + 1725591.

It is an arithmetic number, because the mean of its divisors is an integer number (20706600).

Almost surely, 2^144946158 is an apocalyptic number.

144946158 is an abundant number, since it is smaller than the sum of its proper divisors (186359442).

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

144946158 is a wasteful number, since it uses less digits than its factorization.

144946158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451111.

The product of its digits is 138240, while the sum is 42.

The square root of 144946158 is about 12039.3587038513. The cubic root of 144946158 is about 525.2937530661.

The spelling of 144946158 in words is "one hundred forty-four million, nine hundred forty-six thousand, one hundred fifty-eight".