151220026142 has 32 divisors (see below), whose sum is σ = 236143231104. Its totient is φ = 72569196000.

The previous prime is 151220026093. The next prime is 151220026183. The reversal of 151220026142 is 241620022151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5499833 + ... + 5527259.

It is an arithmetic number, because the mean of its divisors is an integer number (7379475972).

Almost surely, 2^151220026142 is an apocalyptic number.

151220026142 is a deficient number, since it is larger than the sum of its proper divisors (84923204962).

151220026142 is a wasteful number, since it uses less digits than its factorization.

151220026142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28584.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 151220026142 its reverse (241620022151), we get a palindrome (392840048293).

The spelling of 151220026142 in words is "one hundred fifty-one billion, two hundred twenty million, twenty-six thousand, one hundred forty-two".