149453781264 has 160 divisors (see below), whose sum is σ = 436095897600. Its totient is φ = 48997353600.

The previous prime is 149453781221. The next prime is 149453781299. The reversal of 149453781264 is 462187354941.

149453781264 is a `hidden beast` number, since 1 + 4 + 9 + 4 + 5 + 378 + 1 + 264 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 149453781264.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8967339 + ... + 8983989.

It is an arithmetic number, because the mean of its divisors is an integer number (2725599360).

Almost surely, 2^149453781264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149453781264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218047948800).

149453781264 is an abundant number, since it is smaller than the sum of its proper divisors (286642116336).

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

149453781264 is a wasteful number, since it uses less digits than its factorization.

149453781264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17010 (or 16998 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 149453781264 in words is "one hundred forty-nine billion, four hundred fifty-three million, seven hundred eighty-one thousand, two hundred sixty-four".