101442436 has 6 divisors (see below), whose sum is σ = 177524270. Its totient is φ = 50721216.

The previous prime is 101442427. The next prime is 101442437. The reversal of 101442436 is 634244101.

It can be written as a sum of positive squares in only one way, i.e., 62504836 + 38937600 = 7906^2 + 6240^2 .

It is a super-2 number, since 2×101442436² = 20581135643228192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101442436.

It is not an unprimeable number, because it can be changed into a prime (101442437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12680301 + ... + 12680308.

Almost surely, 2^101442436 is an apocalyptic number.

It is an amenable number.

101442436 is a deficient number, since it is larger than the sum of its proper divisors (76081834).

101442436 is a wasteful number, since it uses less digits than its factorization.

101442436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25360613 (or 25360611 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 101442436 is about 10071.8635812843. The cubic root of 101442436 is about 466.3799697086.

Adding to 101442436 its reverse (634244101), we get a palindrome (735686537).

The spelling of 101442436 in words is "one hundred one million, four hundred forty-two thousand, four hundred thirty-six".