150438546 has 40 divisors (see below), whose sum is σ = 341738364. Its totient is φ = 49455360.

The previous prime is 150438529. The next prime is 150438571. The reversal of 150438546 is 645834051.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 141348321 + 9090225 = 11889^2 + 3015^2 .

It is a super-2 number, since 2×150438546² = 45263512245188232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 150438546.

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 19 ways as a sum of consecutive naturals, for example, 5466 + ... + 18186.

Almost surely, 2^150438546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150438546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170869182).

150438546 is an abundant number, since it is smaller than the sum of its proper divisors (191299818).

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

150438546 is a wasteful number, since it uses less digits than its factorization.

150438546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12808 (or 12799 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 150438546 is about 12265.3392125942. The cubic root of 150438546 is about 531.8465859672.

The spelling of 150438546 in words is "one hundred fifty million, four hundred thirty-eight thousand, five hundred forty-six".