151500142 has 4 divisors (see below), whose sum is σ = 227250216. Its totient is φ = 75750070.

The previous prime is 151500127. The next prime is 151500143. The reversal of 151500142 is 241005151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241005151 = 53 ⋅4547267.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151500143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37875034 + ... + 37875037.

It is an arithmetic number, because the mean of its divisors is an integer number (56812554).

Almost surely, 2^151500142 is an apocalyptic number.

151500142 is a deficient number, since it is larger than the sum of its proper divisors (75750074).

151500142 is an equidigital number, since it uses as much as digits as its factorization.

151500142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75750073.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 151500142 is about 12308.5393934455. The cubic root of 151500142 is about 533.0946776843.

Adding to 151500142 its reverse (241005151), we get a palindrome (392505293).

The spelling of 151500142 in words is "one hundred fifty-one million, five hundred thousand, one hundred forty-two".