149421163 has 2 divisors, whose sum is σ = 149421164. Its totient is φ = 149421162.

The previous prime is 149421119. The next prime is 149421191. The reversal of 149421163 is 361124941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149421163 - 2¹³ = 149412971 is a prime.

It is equal to p_8413672 and since 149421163 and 8413672 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (149421193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74710581 + 74710582.

It is an arithmetic number, because the mean of its divisors is an integer number (74710582).

Almost surely, 2^149421163 is an apocalyptic number.

149421163 is a deficient number, since it is larger than the sum of its proper divisors (1).

149421163 is an equidigital number, since it uses as much as digits as its factorization.

149421163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 149421163 is about 12223.7949508326. The cubic root of 149421163 is about 530.6449523552.

The spelling of 149421163 in words is "one hundred forty-nine million, four hundred twenty-one thousand, one hundred sixty-three".