149281354755 has 128 divisors (see below), whose sum is σ = 303861196800. Its totient is φ = 68969691648.

The previous prime is 149281354753. The next prime is 149281354799. The reversal of 149281354755 is 557453182941.

149281354755 is a `hidden beast` number, since 1 + 4 + 9 + 281 + 354 + 7 + 5 + 5 = 666.

It is not a de Polignac number, because 149281354755 - 2¹ = 149281354753 is a prime.

It is a super-2 number, since 2×149281354755² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149281354753) 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, 2104456 + ... + 2174234.

It is an arithmetic number, because the mean of its divisors is an integer number (2373915600).

Almost surely, 2^149281354755 is an apocalyptic number.

149281354755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149281354755 is an abundant number, since it is smaller than the sum of its proper divisors (154579842045).

149281354755 is a wasteful number, since it uses less digits than its factorization.

149281354755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69882 (or 69876 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The spelling of 149281354755 in words is "one hundred forty-nine billion, two hundred eighty-one million, three hundred fifty-four thousand, seven hundred fifty-five".