101145454 has 4 divisors (see below), whose sum is σ = 151718184. Its totient is φ = 50572726.

The previous prime is 101145449. The next prime is 101145463. The reversal of 101145454 is 454541101.

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

It is a super-2 number, since 2×101145454² = 20460805729732232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25286362 + ... + 25286365.

It is an arithmetic number, because the mean of its divisors is an integer number (37929546).

Almost surely, 2^101145454 is an apocalyptic number.

101145454 is a deficient number, since it is larger than the sum of its proper divisors (50572730).

101145454 is an equidigital number, since it uses as much as digits as its factorization.

101145454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50572729.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 101145454 is about 10057.1096245392. The cubic root of 101145454 is about 465.9244015219.

Adding to 101145454 its reverse (454541101), we get a palindrome (555686555).

It can be divided in two parts, 10114 and 5454, that multiplied together give a triangular number (55161756 = T₁₀₅₀₃).

The spelling of 101145454 in words is "one hundred one million, one hundred forty-five thousand, four hundred fifty-four".