149766241 has 4 divisors (see below), whose sum is σ = 150198192. Its totient is φ = 149334292.

The previous prime is 149766233. The next prime is 149766283. The reversal of 149766241 is 142667941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149766241 - 2³ = 149766233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149766194 and 149766203.

It is not an unprimeable number, because it can be changed into a prime (149763241) 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 3 ways as a sum of consecutive naturals, for example, 215455 + ... + 216148.

It is an arithmetic number, because the mean of its divisors is an integer number (37549548).

Almost surely, 2^149766241 is an apocalyptic number.

It is an amenable number.

149766241 is a deficient number, since it is larger than the sum of its proper divisors (431951).

149766241 is an equidigital number, since it uses as much as digits as its factorization.

149766241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431950.

The product of its digits is 72576, while the sum is 40.

The square root of 149766241 is about 12237.9018217994. The cubic root of 149766241 is about 531.0531344198.

The spelling of 149766241 in words is "one hundred forty-nine million, seven hundred sixty-six thousand, two hundred forty-one".