150345640 has 32 divisors (see below), whose sum is σ = 338762880. Its totient is φ = 60052032.

The previous prime is 150345631. The next prime is 150345661. The reversal of 150345640 is 46543051.

150345640 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-2 number, since 2×150345640² = 45207622934019200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 150345599 and 150345608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30637 + ... + 35203.

It is an arithmetic number, because the mean of its divisors is an integer number (10586340).

Almost surely, 2^150345640 is an apocalyptic number.

150345640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150345640 is an abundant number, since it is smaller than the sum of its proper divisors (188417240).

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

150345640 is a wasteful number, since it uses less digits than its factorization.

150345640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401 (or 5397 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 150345640 is about 12261.5512884790. The cubic root of 150345640 is about 531.7370796485.

Adding to 150345640 its reverse (46543051), we get a palindrome (196888691).

The spelling of 150345640 in words is "one hundred fifty million, three hundred forty-five thousand, six hundred forty".