101155142 has 8 divisors (see below), whose sum is σ = 165526632. Its totient is φ = 45979600.

The previous prime is 101155129. The next prime is 101155147. The reversal of 101155142 is 241551101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101155147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2298959 + ... + 2299002.

It is an arithmetic number, because the mean of its divisors is an integer number (20690829).

Almost surely, 2^101155142 is an apocalyptic number.

101155142 is a deficient number, since it is larger than the sum of its proper divisors (64371490).

101155142 is a wasteful number, since it uses less digits than its factorization.

101155142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4597974.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 101155142 is about 10057.5912623252. The cubic root of 101155142 is about 465.9392769029.

The spelling of 101155142 in words is "one hundred one million, one hundred fifty-five thousand, one hundred forty-two".