151044142 has 4 divisors (see below), whose sum is σ = 226566216. Its totient is φ = 75522070.

The previous prime is 151044077. The next prime is 151044149. The reversal of 151044142 is 241440151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241440151 = 227 ⋅1063613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151044149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37761034 + ... + 37761037.

It is an arithmetic number, because the mean of its divisors is an integer number (56641554).

Almost surely, 2^151044142 is an apocalyptic number.

151044142 is a deficient number, since it is larger than the sum of its proper divisors (75522074).

151044142 is an equidigital number, since it uses as much as digits as its factorization.

151044142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75522073.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 151044142 is about 12290.0017087061. The cubic root of 151044142 is about 532.5592866021.

Adding to 151044142 its reverse (241440151), we get a palindrome (392484293).

The spelling of 151044142 in words is "one hundred fifty-one million, forty-four thousand, one hundred forty-two".