101542404 has 48 divisors (see below), whose sum is σ = 244278720. Its totient is φ = 32808960.

The previous prime is 101542367. The next prime is 101542409. The reversal of 101542404 is 404245101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101542409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87492 + ... + 88644.

It is an arithmetic number, because the mean of its divisors is an integer number (5089140).

Almost surely, 2^101542404 is an apocalyptic number.

It is an amenable number.

101542404 is an abundant number, since it is smaller than the sum of its proper divisors (142736316).

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

101542404 is a wasteful number, since it uses less digits than its factorization.

101542404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380 (or 1378 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 101542404 is about 10076.8250952371. The cubic root of 101542404 is about 466.5331198362.

Adding to 101542404 its reverse (404245101), we get a palindrome (505787505).

The spelling of 101542404 in words is "one hundred one million, five hundred forty-two thousand, four hundred four".