1908459407145 has 16 divisors (see below), whose sum is σ = 3214247423040. Its totient is φ = 964274226624.

The previous prime is 1908459407137. The next prime is 1908459407201. The reversal of 1908459407145 is 5417049548091.

It is not a de Polignac number, because 1908459407145 - 2³ = 1908459407137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3348174114 + ... + 3348174683.

It is an arithmetic number, because the mean of its divisors is an integer number (200890463940).

Almost surely, 2^{1908459407145} is an apocalyptic number.

1908459407145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1908459407145 is a deficient number, since it is larger than the sum of its proper divisors (1305788015895).

1908459407145 is a wasteful number, since it uses less digits than its factorization.

1908459407145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6696348824.

The product of its (nonzero) digits is 7257600, while the sum is 57.

The spelling of 1908459407145 in words is "one trillion, nine hundred eight billion, four hundred fifty-nine million, four hundred seven thousand, one hundred forty-five".