149971230403 has 2 divisors, whose sum is σ = 149971230404. Its totient is φ = 149971230402.

The previous prime is 149971230379. The next prime is 149971230439. The reversal of 149971230403 is 304032179941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149971230403 - 2¹³ = 149971222211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149971230403.

It is not a weakly prime, because it can be changed into another prime (149971234403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74985615201 + 74985615202.

It is an arithmetic number, because the mean of its divisors is an integer number (74985615202).

Almost surely, 2^149971230403 is an apocalyptic number.

149971230403 is a deficient number, since it is larger than the sum of its proper divisors (1).

149971230403 is an equidigital number, since it uses as much as digits as its factorization.

149971230403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 149971230403 in words is "one hundred forty-nine billion, nine hundred seventy-one million, two hundred thirty thousand, four hundred three".