149590644 has 48 divisors (see below), whose sum is σ = 399993216. Its totient is φ = 42624000.

The previous prime is 149590589. The next prime is 149590657. The reversal of 149590644 is 446095941.

149590644 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 149590596 and 149590605.

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 in 15 ways as a sum of consecutive naturals, for example, 31464 + ... + 35904.

It is an arithmetic number, because the mean of its divisors is an integer number (8333192).

Almost surely, 2^149590644 is an apocalyptic number.

149590644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

149590644 is an abundant number, since it is smaller than the sum of its proper divisors (250402572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149590644 is a wasteful number, since it uses less digits than its factorization.

149590644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856 (or 4854 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 149590644 is about 12230.7254077589. The cubic root of 149590644 is about 530.8455046155.

The spelling of 149590644 in words is "one hundred forty-nine million, five hundred ninety thousand, six hundred forty-four".