150000142 has 4 divisors (see below), whose sum is σ = 225000216. Its totient is φ = 75000070.

The previous prime is 150000139. The next prime is 150000143. The reversal of 150000142 is 241000051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241000051 = 179 ⋅1346369.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150000143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37500034 + ... + 37500037.

It is an arithmetic number, because the mean of its divisors is an integer number (56250054).

Almost surely, 2^150000142 is an apocalyptic number.

150000142 is a deficient number, since it is larger than the sum of its proper divisors (75000074).

150000142 is an equidigital number, since it uses as much as digits as its factorization.

150000142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75000073.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 150000142 is about 12247.4545110402. The cubic root of 150000142 is about 531.3294522552.

Adding to 150000142 its reverse (241000051), we get a palindrome (391000193).

Subtracting 150000142 from its reverse (241000051), we obtain a palindrome (90999909).

The spelling of 150000142 in words is "one hundred fifty million, one hundred forty-two", and thus it is an aban number.