144929471157 has 32 divisors (see below), whose sum is σ = 226230912000. Its totient is φ = 91445286960.

The previous prime is 144929471107. The next prime is 144929471243. The reversal of 144929471157 is 751174929441.

144929471157 is a `hidden beast` number, since 1 + 4 + 492 + 94 + 7 + 11 + 57 = 666.

It is not a de Polignac number, because 144929471157 - 2¹¹ = 144929469109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144929471107) 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, 391894 + ... + 665912.

It is an arithmetic number, because the mean of its divisors is an integer number (7069716000).

Almost surely, 2^144929471157 is an apocalyptic number.

It is an amenable number.

144929471157 is a deficient number, since it is larger than the sum of its proper divisors (81301440843).

144929471157 is a wasteful number, since it uses less digits than its factorization.

144929471157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275078 (or 275072 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 54.

The spelling of 144929471157 in words is "one hundred forty-four billion, nine hundred twenty-nine million, four hundred seventy-one thousand, one hundred fifty-seven".