150447640 has 96 divisors (see below), whose sum is σ = 400755600. Its totient is φ = 50668800.

The previous prime is 150447631. The next prime is 150447641. The reversal of 150447640 is 46744051.

150447640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×150447640⁵ (a number of 42 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150447641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114990 + ... + 116290.

Almost surely, 2^150447640 is an apocalyptic number.

150447640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150447640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200377800).

150447640 is an abundant number, since it is smaller than the sum of its proper divisors (250307960).

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

150447640 is a wasteful number, since it uses less digits than its factorization.

150447640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 150447640 is about 12265.7099264576. The cubic root of 150447640 is about 531.8573024481.

The spelling of 150447640 in words is "one hundred fifty million, four hundred forty-seven thousand, six hundred forty".