15442101 has 6 divisors (see below), whose sum is σ = 22305270. Its totient is φ = 10294728.

The previous prime is 15442087. The next prime is 15442121. The reversal of 15442101 is 10124451.

It can be written as a sum of positive squares in only one way, i.e., 14243076 + 1199025 = 3774^2 + 1095^2 .

It is not a de Polignac number, because 15442101 - 2⁷ = 15441973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15442121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 857886 + ... + 857903.

It is an arithmetic number, because the mean of its divisors is an integer number (3717545).

Almost surely, 2^15442101 is an apocalyptic number.

It is an amenable number.

15442101 is a deficient number, since it is larger than the sum of its proper divisors (6863169).

15442101 is a wasteful number, since it uses less digits than its factorization.

15442101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715795 (or 1715792 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 15442101 is about 3929.6438769945. The cubic root of 15442101 is about 249.0207076212.

Adding to 15442101 its reverse (10124451), we get a palindrome (25566552).

The spelling of 15442101 in words is "fifteen million, four hundred forty-two thousand, one hundred one".