101439552 has 56 divisors (see below), whose sum is σ = 271101312. Its totient is φ = 33472000.

The previous prime is 101439539. The next prime is 101439553. The reversal of 101439552 is 255934101.

It is not an unprimeable number, because it can be changed into a prime (101439553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16777 + ... + 22007.

Almost surely, 2^101439552 is an apocalyptic number.

101439552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101439552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135550656).

101439552 is an abundant number, since it is smaller than the sum of its proper divisors (169661760).

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

101439552 is a wasteful number, since it uses less digits than its factorization.

101439552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5347 (or 5337 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 101439552 is about 10071.7204091456. The cubic root of 101439552 is about 466.3755499522.

The spelling of 101439552 in words is "one hundred one million, four hundred thirty-nine thousand, five hundred fifty-two".