149563427 has 16 divisors (see below), whose sum is σ = 164804640. Its totient is φ = 134894592.

The previous prime is 149563409. The next prime is 149563429. The reversal of 149563427 is 724365941.

It is a cyclic number.

It is not a de Polignac number, because 149563427 - 2¹⁶ = 149497891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149563429) 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 in 15 ways as a sum of consecutive naturals, for example, 103949 + ... + 105377.

It is an arithmetic number, because the mean of its divisors is an integer number (10300290).

Almost surely, 2^149563427 is an apocalyptic number.

149563427 is a deficient number, since it is larger than the sum of its proper divisors (15241213).

149563427 is a wasteful number, since it uses less digits than its factorization.

149563427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622.

The product of its digits is 181440, while the sum is 41.

The square root of 149563427 is about 12229.6127085039. The cubic root of 149563427 is about 530.8133080867.

The spelling of 149563427 in words is "one hundred forty-nine million, five hundred sixty-three thousand, four hundred twenty-seven".