101542380 has 48 divisors (see below), whose sum is σ = 284757984. Its totient is φ = 27036160.

The previous prime is 101542367. The next prime is 101542409. The reversal of 101542380 is 83245101.

101542380 is nontrivially palindromic in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 101542380.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70144 + ... + 71576.

It is an arithmetic number, because the mean of its divisors is an integer number (5932458).

Almost surely, 2^101542380 is an apocalyptic number.

101542380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101542380 is an abundant number, since it is smaller than the sum of its proper divisors (183215604).

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

101542380 is a wasteful number, since it uses less digits than its factorization.

101542380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626 (or 2624 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 101542380 is about 10076.8239043857. The cubic root of 101542380 is about 466.5330830805.

Adding to 101542380 its reverse (83245101), we get a palindrome (184787481).

The spelling of 101542380 in words is "one hundred one million, five hundred forty-two thousand, three hundred eighty".