101155452 has 12 divisors (see below), whose sum is σ = 236029416. Its totient is φ = 33718480.

The previous prime is 101155433. The next prime is 101155459. The reversal of 101155452 is 254551101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101155459) 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, 4214799 + ... + 4214822.

It is an arithmetic number, because the mean of its divisors is an integer number (19669118).

Almost surely, 2^101155452 is an apocalyptic number.

101155452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101155452 is an abundant number, since it is smaller than the sum of its proper divisors (134873964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101155452 is a wasteful number, since it uses less digits than its factorization.

101155452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8429628 (or 8429626 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 101155452 is about 10057.6066735581. The cubic root of 101155452 is about 465.9397528749.

The spelling of 101155452 in words is "one hundred one million, one hundred fifty-five thousand, four hundred fifty-two".