149553163 has 2 divisors, whose sum is σ = 149553164. Its totient is φ = 149553162.

The previous prime is 149553143. The next prime is 149553211. The reversal of 149553163 is 361355941.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149553163 - 2⁹ = 149552651 is a prime.

It is a super-2 number, since 2×149553163² = 44732297126609138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149553113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74776581 + 74776582.

It is an arithmetic number, because the mean of its divisors is an integer number (74776582).

Almost surely, 2^149553163 is an apocalyptic number.

149553163 is a deficient number, since it is larger than the sum of its proper divisors (1).

149553163 is an equidigital number, since it uses as much as digits as its factorization.

149553163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 37.

The square root of 149553163 is about 12229.1930641396. The cubic root of 149553163 is about 530.8011652063.

The spelling of 149553163 in words is "one hundred forty-nine million, five hundred fifty-three thousand, one hundred sixty-three".