1499885657145 has 128 divisors (see below), whose sum is σ = 2804318208000. Its totient is φ = 759662323200.

The previous prime is 1499885657143. The next prime is 1499885657161. The reversal of 1499885657145 is 5417565889941.

1499885657145 is a `hidden beast` number, since 1 + 4 + 9 + 9 + 8 + 8 + 5 + 6 + 571 + 45 = 666.

It is not a de Polignac number, because 1499885657145 - 2¹ = 1499885657143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1499885657143) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 60783160 + ... + 60807830.

It is an arithmetic number, because the mean of its divisors is an integer number (21908736000).

Almost surely, 2^{1499885657145} is an apocalyptic number.

1499885657145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1499885657145 is a deficient number, since it is larger than the sum of its proper divisors (1304432550855).

1499885657145 is a wasteful number, since it uses less digits than its factorization.

1499885657145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24988 (or 24982 counting only the distinct ones).

The product of its digits is 435456000, while the sum is 72.

The spelling of 1499885657145 in words is "one trillion, four hundred ninety-nine billion, eight hundred eighty-five million, six hundred fifty-seven thousand, one hundred forty-five".