149451563 has 2 divisors, whose sum is σ = 149451564. Its totient is φ = 149451562.

The previous prime is 149451557. The next prime is 149451611. The reversal of 149451563 is 365154941.

149451563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149451563 - 2¹⁴ = 149435179 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149451503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74725781 + 74725782.

It is an arithmetic number, because the mean of its divisors is an integer number (74725782).

Almost surely, 2^149451563 is an apocalyptic number.

149451563 is a deficient number, since it is larger than the sum of its proper divisors (1).

149451563 is an equidigital number, since it uses as much as digits as its factorization.

149451563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 149451563 is about 12225.0383639480. The cubic root of 149451563 is about 530.6809367997.

The spelling of 149451563 in words is "one hundred forty-nine million, four hundred fifty-one thousand, five hundred sixty-three".