101151142 has 4 divisors (see below), whose sum is σ = 151726716. Its totient is φ = 50575570.

The previous prime is 101151137. The next prime is 101151143. The reversal of 101151142 is 241151101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241151101 = 173 ⋅1393937.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101151143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25287784 + ... + 25287787.

It is an arithmetic number, because the mean of its divisors is an integer number (37931679).

Almost surely, 2^101151142 is an apocalyptic number.

101151142 is a deficient number, since it is larger than the sum of its proper divisors (50575574).

101151142 is an equidigital number, since it uses as much as digits as its factorization.

101151142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50575573.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 101151142 is about 10057.3924055890. The cubic root of 101151142 is about 465.9331352422.

The spelling of 101151142 in words is "one hundred one million, one hundred fifty-one thousand, one hundred forty-two".