149498443 has 2 divisors, whose sum is σ = 149498444. Its totient is φ = 149498442.

The previous prime is 149498417. The next prime is 149498449. The reversal of 149498443 is 344894941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149498443 - 2⁵ = 149498411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149498393 and 149498402.

It is not a weakly prime, because it can be changed into another prime (149498449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74749221 + 74749222.

It is an arithmetic number, because the mean of its divisors is an integer number (74749222).

Almost surely, 2^149498443 is an apocalyptic number.

149498443 is a deficient number, since it is larger than the sum of its proper divisors (1).

149498443 is an equidigital number, since it uses as much as digits as its factorization.

149498443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 46.

The square root of 149498443 is about 12226.9555900069. The cubic root of 149498443 is about 530.7364190376.

It can be divided in two parts, 149498 and 443, that added together give a palindrome (149941).

The spelling of 149498443 in words is "one hundred forty-nine million, four hundred ninety-eight thousand, four hundred forty-three".