101540542 has 8 divisors (see below), whose sum is σ = 157563000. Its totient is φ = 49019544.

The previous prime is 101540533. The next prime is 101540563. The reversal of 101540542 is 245045101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875292 + ... + 875407.

It is an arithmetic number, because the mean of its divisors is an integer number (19695375).

Almost surely, 2^101540542 is an apocalyptic number.

101540542 is a deficient number, since it is larger than the sum of its proper divisors (56022458).

101540542 is a wasteful number, since it uses less digits than its factorization.

101540542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750730.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 101540542 is about 10076.7327046022. The cubic root of 101540542 is about 466.5302681869.

Adding to 101540542 its reverse (245045101), we get a palindrome (346585643).

The spelling of 101540542 in words is "one hundred one million, five hundred forty thousand, five hundred forty-two".