149711441 has 4 divisors (see below), whose sum is σ = 163321584. Its totient is φ = 136101300.

The previous prime is 149711437. The next prime is 149711447. The reversal of 149711441 is 144117941.

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, and also an emirpimes, since its reverse is a distinct semiprime: 144117941 = 11 ⋅13101631.

It is a cyclic number.

It is not a de Polignac number, because 149711441 - 2² = 149711437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149711398 and 149711407.

It is not an unprimeable number, because it can be changed into a prime (149711447) 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 in 3 ways as a sum of consecutive naturals, for example, 6805055 + ... + 6805076.

It is an arithmetic number, because the mean of its divisors is an integer number (40830396).

Almost surely, 2^149711441 is an apocalyptic number.

149711441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

149711441 is a deficient number, since it is larger than the sum of its proper divisors (13610143).

149711441 is a wasteful number, since it uses less digits than its factorization.

149711441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13610142.

The product of its digits is 4032, while the sum is 32.

The square root of 149711441 is about 12235.6626710612. The cubic root of 149711441 is about 530.9883551082.

The spelling of 149711441 in words is "one hundred forty-nine million, seven hundred eleven thousand, four hundred forty-one".