149424427 has 2 divisors, whose sum is σ = 149424428. Its totient is φ = 149424426.

The previous prime is 149424413. The next prime is 149424439. The reversal of 149424427 is 724424941.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149424427 - 2⁷ = 149424299 is a prime.

It is not a weakly prime, because it can be changed into another prime (149424467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74712213 + 74712214.

It is an arithmetic number, because the mean of its divisors is an integer number (74712214).

Almost surely, 2^149424427 is an apocalyptic number.

149424427 is a deficient number, since it is larger than the sum of its proper divisors (1).

149424427 is an equidigital number, since it uses as much as digits as its factorization.

149424427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 37.

The square root of 149424427 is about 12223.9284601964. The cubic root of 149424427 is about 530.6488161820.

It can be divided in two parts, 1494 and 24427, that added together give a square (25921 = 161²).

The spelling of 149424427 in words is "one hundred forty-nine million, four hundred twenty-four thousand, four hundred twenty-seven".