150642 has 12 divisors (see below), whose sum is σ = 326430. Its totient is φ = 50208.

The previous prime is 150617. The next prime is 150649. The reversal of 150642 is 246051.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 114921 + 35721 = 339^2 + 189^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 8369 = 150642 / (1 + 5 + 0 + 6 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (150649) by changing a digit.

150642 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4167 + ... + 4202.

2¹⁵⁰⁶⁴² is an apocalyptic number.

150642 is an abundant number, since it is smaller than the sum of its proper divisors (175788).

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

150642 is a wasteful number, since it uses less digits than its factorization.

150642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8377 (or 8374 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 150642 is about 388.1262681139. The cubic root of 150642 is about 53.2086235479.

Adding to 150642 its reverse (246051), we get a palindrome (396693).

The spelling of 150642 in words is "one hundred fifty thousand, six hundred forty-two".