150023178 has 80 divisors (see below), whose sum is σ = 347896296. Its totient is φ = 48297600.

The previous prime is 150023171. The next prime is 150023179. The reversal of 150023178 is 871320051.

It can be written as a sum of positive squares in 4 ways, for example, as 140493609 + 9529569 = 11853^2 + 3087^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150023171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 867100 + ... + 867272.

Almost surely, 2^150023178 is an apocalyptic number.

150023178 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 150023178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173948148).

150023178 is an abundant number, since it is smaller than the sum of its proper divisors (197873118).

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

150023178 is a wasteful number, since it uses less digits than its factorization.

150023178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 150023178 is about 12248.3949152532. The cubic root of 150023178 is about 531.3566501822.

The spelling of 150023178 in words is "one hundred fifty million, twenty-three thousand, one hundred seventy-eight".