101140442 has 16 divisors (see below), whose sum is σ = 163834440. Its totient is φ = 46550592.

The previous prime is 101140433. The next prime is 101140451. The reversal of 101140442 is 244041101.

It is an interprime number because it is at equal distance from previous prime (101140433) and next prime (101140451).

It can be written as a sum of positive squares in 4 ways, for example, as 96216481 + 4923961 = 9809^2 + 2219^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101140442.

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, 4484 + ... + 14912.

Almost surely, 2^101140442 is an apocalyptic number.

101140442 is a deficient number, since it is larger than the sum of its proper divisors (62693998).

101140442 is a wasteful number, since it uses less digits than its factorization.

101140442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10817.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 101140442 is about 10056.8604444926. The cubic root of 101140442 is about 465.9167055040.

Adding to 101140442 its reverse (244041101), we get a palindrome (345181543).

The spelling of 101140442 in words is "one hundred one million, one hundred forty thousand, four hundred forty-two".