101142451 has 4 divisors (see below), whose sum is σ = 101245504. Its totient is φ = 101039400.

The previous prime is 101142443. The next prime is 101142473. The reversal of 101142451 is 154241101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101142451 - 2³ = 101142443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101140451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50040 + ... + 52021.

It is an arithmetic number, because the mean of its divisors is an integer number (25311376).

Almost surely, 2^101142451 is an apocalyptic number.

101142451 is a deficient number, since it is larger than the sum of its proper divisors (103053).

101142451 is an equidigital number, since it uses as much as digits as its factorization.

101142451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103052.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 101142451 is about 10056.9603260627. The cubic root of 101142451 is about 465.9197903909.

Adding to 101142451 its reverse (154241101), we get a palindrome (255383552).

The spelling of 101142451 in words is "one hundred one million, one hundred forty-two thousand, four hundred fifty-one".