149986544 has 10 divisors (see below), whose sum is σ = 290598960. Its totient is φ = 74993264.

The previous prime is 149986531. The next prime is 149986559. The reversal of 149986544 is 445689941.

It is a junction number, because it is equal to n+sod(n) for n = 149986492 and 149986501.

It is a congruent number.

It is an unprimeable number.

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, 4687064 + ... + 4687095.

It is an arithmetic number, because the mean of its divisors is an integer number (29059896).

Almost surely, 2^149986544 is an apocalyptic number.

It is an amenable number.

149986544 is a deficient number, since it is larger than the sum of its proper divisors (140612416).

149986544 is an equidigital number, since it uses as much as digits as its factorization.

149986544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9374167 (or 9374161 counting only the distinct ones).

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

The square root of 149986544 is about 12246.8993626958. The cubic root of 149986544 is about 531.3133961899.

The spelling of 149986544 in words is "one hundred forty-nine million, nine hundred eighty-six thousand, five hundred forty-four".