150643400 has 96 divisors (see below), whose sum is σ = 381672000. Its totient is φ = 55077120.

The previous prime is 150643387. The next prime is 150643421. The reversal of 150643400 is 4346051.

150643400 = 1748² + 1749² + ... + 1795².

It is a happy number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 109517 + ... + 110883.

It is an arithmetic number, because the mean of its divisors is an integer number (3975750).

Almost surely, 2^150643400 is an apocalyptic number.

150643400 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 150643400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190836000).

150643400 is an abundant number, since it is smaller than the sum of its proper divisors (231028600).

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

150643400 is a wasteful number, since it uses less digits than its factorization.

150643400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431 (or 1422 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 150643400 is about 12273.6873025183. The cubic root of 150643400 is about 532.0878837984.

Adding to 150643400 its reverse (4346051), we get a palindrome (154989451).

The spelling of 150643400 in words is "one hundred fifty million, six hundred forty-three thousand, four hundred".