150444738 has 48 divisors (see below), whose sum is σ = 336206520. Its totient is φ = 48584448.

The previous prime is 150444737. The next prime is 150444757. The reversal of 150444738 is 837444051.

It can be written as a sum of positive squares in 4 ways, for example, as 140351409 + 10093329 = 11847^2 + 3177^2 .

It is not an unprimeable number, because it can be changed into a prime (150444731) 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, 264118 + ... + 264686.

Almost surely, 2^150444738 is an apocalyptic number.

150444738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 150444738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168103260).

150444738 is an abundant number, since it is smaller than the sum of its proper divisors (185761782).

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

150444738 is a wasteful number, since it uses less digits than its factorization.

150444738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 150444738 is about 12265.5916286170. The cubic root of 150444738 is about 531.8538827427.

Adding to 150444738 its reverse (837444051), we get a palindrome (987888789).

The spelling of 150444738 in words is "one hundred fifty million, four hundred forty-four thousand, seven hundred thirty-eight".