149361040 has 20 divisors (see below), whose sum is σ = 347264604. Its totient is φ = 59744384.

The previous prime is 149361013. The next prime is 149361041. The reversal of 149361040 is 40163941.

It can be written as a sum of positive squares in 2 ways, for example, as 94245264 + 55115776 = 9708^2 + 7424^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149361041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 933427 + ... + 933586.

Almost surely, 2^149361040 is an apocalyptic number.

149361040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149361040 is an abundant number, since it is smaller than the sum of its proper divisors (197903564).

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

149361040 is a wasteful number, since it uses less digits than its factorization.

149361040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867026 (or 1867020 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 149361040 is about 12221.3354425775. The cubic root of 149361040 is about 530.5737704559.

The spelling of 149361040 in words is "one hundred forty-nine million, three hundred sixty-one thousand, forty".