150404142 has 32 divisors (see below), whose sum is σ = 350272512. Its totient is φ = 42161184.

The previous prime is 150404129. The next prime is 150404143. The reversal of 150404142 is 241404051.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150404143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31558 + ... + 36009.

It is an arithmetic number, because the mean of its divisors is an integer number (10946016).

Almost surely, 2^150404142 is an apocalyptic number.

150404142 is an abundant number, since it is smaller than the sum of its proper divisors (199868370).

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

150404142 is a wasteful number, since it uses less digits than its factorization.

150404142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67632.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 150404142 is about 12263.9366436720. The cubic root of 150404142 is about 531.8060399648.

Adding to 150404142 its reverse (241404051), we get a palindrome (391808193).

Subtracting 150404142 from its reverse (241404051), we obtain a palindrome (90999909).

The spelling of 150404142 in words is "one hundred fifty million, four hundred four thousand, one hundred forty-two".