149530407404281 has 2 divisors, whose sum is σ = 149530407404282. Its totient is φ = 149530407404280.

The previous prime is 149530407404267. The next prime is 149530407404299. The reversal of 149530407404281 is 182404704035941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131457323354256 + 18073084050025 = 11465484^2 + 4251245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149530407404281 is a prime.

It is a super-2 number, since 2×149530407404281² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149530407404221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74765203702140 + 74765203702141.

It is an arithmetic number, because the mean of its divisors is an integer number (74765203702141).

Almost surely, 2^{149530407404281} is an apocalyptic number.

It is an amenable number.

149530407404281 is a deficient number, since it is larger than the sum of its proper divisors (1).

149530407404281 is an equidigital number, since it uses as much as digits as its factorization.

149530407404281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 149530407404281 in words is "one hundred forty-nine trillion, five hundred thirty billion, four hundred seven million, four hundred four thousand, two hundred eighty-one".