149986441 has 4 divisors (see below), whose sum is σ = 163621584. Its totient is φ = 136351300.

The previous prime is 149986439. The next prime is 149986453. The reversal of 149986441 is 144689941.

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 149986441 - 2¹ = 149986439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149986391 and 149986400.

It is not an unprimeable number, because it can be changed into a prime (149986481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6817555 + ... + 6817576.

It is an arithmetic number, because the mean of its divisors is an integer number (40905396).

Almost surely, 2^149986441 is an apocalyptic number.

149986441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

149986441 is a deficient number, since it is larger than the sum of its proper divisors (13635143).

149986441 is a wasteful number, since it uses less digits than its factorization.

149986441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13635142.

The product of its digits is 248832, while the sum is 46.

The square root of 149986441 is about 12246.8951575491. The cubic root of 149986441 is about 531.3132745672.

The spelling of 149986441 in words is "one hundred forty-nine million, nine hundred eighty-six thousand, four hundred forty-one".