150046640 has 20 divisors (see below), whose sum is σ = 348858624. Its totient is φ = 60018624.

The previous prime is 150046639. The next prime is 150046649. The reversal of 150046640 is 46640051.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (150046649) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 937712 + ... + 937871.

Almost surely, 2^150046640 is an apocalyptic number.

150046640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150046640 is an abundant number, since it is smaller than the sum of its proper divisors (198811984).

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

150046640 is a wasteful number, since it uses less digits than its factorization.

150046640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875596 (or 1875590 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 150046640 is about 12249.3526359559. The cubic root of 150046640 is about 531.3843482132.

Adding to 150046640 its reverse (46640051), we get a palindrome (196686691).

The spelling of 150046640 in words is "one hundred fifty million, forty-six thousand, six hundred forty".