101506442 has 4 divisors (see below), whose sum is σ = 152259666. Its totient is φ = 50753220.

The previous prime is 101506423. The next prime is 101506453. The reversal of 101506442 is 244605101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244605101 = 13 ⋅18815777.

It can be written as a sum of positive squares in only one way, i.e., 100620961 + 885481 = 10031^2 + 941^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25376609 + ... + 25376612.

Almost surely, 2^101506442 is an apocalyptic number.

101506442 is a deficient number, since it is larger than the sum of its proper divisors (50753224).

101506442 is an equidigital number, since it uses as much as digits as its factorization.

101506442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50753223.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 101506442 is about 10075.0405458241. The cubic root of 101506442 is about 466.4780379380.

The spelling of 101506442 in words is "one hundred one million, five hundred six thousand, four hundred forty-two".