150443640 has 48 divisors (see below), whose sum is σ = 488943000. Its totient is φ = 40118208.

The previous prime is 150443599. The next prime is 150443647. The reversal of 150443640 is 46344051.

150443640 is a `hidden beast` number, since 15 + 0 + 4 + 4 + 3 + 640 = 666.

150443640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150443647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208590 + ... + 209309.

Almost surely, 2^150443640 is an apocalyptic number.

150443640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150443640 is an abundant number, since it is smaller than the sum of its proper divisors (338499360).

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

150443640 is a wasteful number, since it uses less digits than its factorization.

150443640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417916 (or 417909 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 150443640 is about 12265.5468691779. The cubic root of 150443640 is about 531.8525888524.

Adding to 150443640 its reverse (46344051), we get a palindrome (196787691).

The spelling of 150443640 in words is "one hundred fifty million, four hundred forty-three thousand, six hundred forty".