14991102945 has 320 divisors, whose sum is σ = 35618558976. Its totient is φ = 5852528640.

The previous prime is 14991102899. The next prime is 14991102949. The reversal of 14991102945 is 54920119941.

14991102945 is a `hidden beast` number, since 1 + 499 + 110 + 2 + 9 + 45 = 666.

It is not a de Polignac number, because 14991102945 - 2¹¹ = 14991100897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 14991102945.

It is not an unprimeable number, because it can be changed into a prime (14991102949) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 44483817 + ... + 44484153.

Almost surely, 2^14991102945 is an apocalyptic number.

14991102945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14991102945 is an abundant number, since it is smaller than the sum of its proper divisors (20627456031).

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

14991102945 is a wasteful number, since it uses less digits than its factorization.

14991102945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The spelling of 14991102945 in words is "fourteen billion, nine hundred ninety-one million, one hundred two thousand, nine hundred forty-five".