150445142 has 4 divisors (see below), whose sum is σ = 225667716. Its totient is φ = 75222570.

The previous prime is 150445117. The next prime is 150445147. The reversal of 150445142 is 241544051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241544051 = 7 ⋅34506293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150445147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37611284 + ... + 37611287.

It is an arithmetic number, because the mean of its divisors is an integer number (56416929).

Almost surely, 2^150445142 is an apocalyptic number.

150445142 is a deficient number, since it is larger than the sum of its proper divisors (75222574).

150445142 is an equidigital number, since it uses as much as digits as its factorization.

150445142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75222573.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 150445142 is about 12265.6080974406. The cubic root of 150445142 is about 531.8543588174.

Adding to 150445142 its reverse (241544051), we get a palindrome (391989193).

The spelling of 150445142 in words is "one hundred fifty million, four hundred forty-five thousand, one hundred forty-two".