149586449 has 16 divisors (see below), whose sum is σ = 162427200. Its totient is φ = 137277504.

The previous prime is 149586413. The next prime is 149586467. The reversal of 149586449 is 944685941.

It is a cyclic number.

It is not a de Polignac number, because 149586449 - 2²⁴ = 132809233 is a prime.

It is a super-2 number, since 2×149586449² = 44752211448859202, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 149586397 and 149586406.

It is not an unprimeable number, because it can be changed into a prime (149586469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273194 + ... + 273740.

It is an arithmetic number, because the mean of its divisors is an integer number (10151700).

Almost surely, 2^149586449 is an apocalyptic number.

149586449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

149586449 is a deficient number, since it is larger than the sum of its proper divisors (12840751).

149586449 is a wasteful number, since it uses less digits than its factorization.

149586449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its digits is 1244160, while the sum is 50.

The square root of 149586449 is about 12230.5539122314. The cubic root of 149586449 is about 530.8405423673.

The spelling of 149586449 in words is "one hundred forty-nine million, five hundred eighty-six thousand, four hundred forty-nine".