150421454149 has 2 divisors, whose sum is σ = 150421454150. Its totient is φ = 150421454148.

The previous prime is 150421454123. The next prime is 150421454269. The reversal of 150421454149 is 941454124051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150412108900 + 9345249 = 387830^2 + 3057^2 .

It is a cyclic number.

It is not a de Polignac number, because 150421454149 - 2¹³ = 150421445957 is a prime.

It is a super-2 number, since 2×150421454149² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150421458149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75210727074 + 75210727075.

It is an arithmetic number, because the mean of its divisors is an integer number (75210727075).

Almost surely, 2^150421454149 is an apocalyptic number.

It is an amenable number.

150421454149 is a deficient number, since it is larger than the sum of its proper divisors (1).

150421454149 is an equidigital number, since it uses as much as digits as its factorization.

150421454149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 150421454149 in words is "one hundred fifty billion, four hundred twenty-one million, four hundred fifty-four thousand, one hundred forty-nine".