101989152 has 48 divisors (see below), whose sum is σ = 297470880. Its totient is φ = 33996096.

The previous prime is 101989141. The next prime is 101989193. The reversal of 101989152 is 251989101.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58158 + ... + 59885.

It is an arithmetic number, because the mean of its divisors is an integer number (6197310).

Almost surely, 2^101989152 is an apocalyptic number.

101989152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101989152 is an abundant number, since it is smaller than the sum of its proper divisors (195481728).

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

101989152 is a wasteful number, since it uses less digits than its factorization.

101989152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118062 (or 118048 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 36.

The square root of 101989152 is about 10098.9678680546. The cubic root of 101989152 is about 467.2163083849.

The spelling of 101989152 in words is "one hundred one million, nine hundred eighty-nine thousand, one hundred fifty-two".