149041520 has 40 divisors (see below), whose sum is σ = 347128080. Its totient is φ = 59512320.

The previous prime is 149041517. The next prime is 149041531. The reversal of 149041520 is 25140941.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 149041520.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57860 + ... + 60380.

It is an arithmetic number, because the mean of its divisors is an integer number (8678202).

Almost surely, 2^149041520 is an apocalyptic number.

149041520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149041520 is an abundant number, since it is smaller than the sum of its proper divisors (198086560).

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

149041520 is a wasteful number, since it uses less digits than its factorization.

149041520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273 (or 3267 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 149041520 is about 12208.2562227371. The cubic root of 149041520 is about 530.1951577489.

The spelling of 149041520 in words is "one hundred forty-nine million, forty-one thousand, five hundred twenty".