149960240 has 20 divisors (see below), whose sum is σ = 348657744. Its totient is φ = 59984064.

The previous prime is 149960227. The next prime is 149960243. The reversal of 149960240 is 42069941.

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

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 149960240.

It is not an unprimeable number, because it can be changed into a prime (149960243) 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, 937172 + ... + 937331.

Almost surely, 2^149960240 is an apocalyptic number.

149960240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149960240 is an abundant number, since it is smaller than the sum of its proper divisors (198697504).

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

149960240 is a wasteful number, since it uses less digits than its factorization.

149960240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874516 (or 1874510 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 149960240 is about 12245.8254111350. The cubic root of 149960240 is about 531.2823345486.

The spelling of 149960240 in words is "one hundred forty-nine million, nine hundred sixty thousand, two hundred forty".