101451550 has 24 divisors (see below), whose sum is σ = 189162000. Its totient is φ = 40481280.

The previous prime is 101451533. The next prime is 101451557. The reversal of 101451550 is 55154101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101451557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20191 + ... + 24709.

It is an arithmetic number, because the mean of its divisors is an integer number (7881750).

Almost surely, 2^101451550 is an apocalyptic number.

101451550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101451550 is a deficient number, since it is larger than the sum of its proper divisors (87710450).

101451550 is a wasteful number, since it uses less digits than its factorization.

101451550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4980 (or 4975 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 101451550 is about 10072.3160196650. The cubic root of 101451550 is about 466.3939364465.

The spelling of 101451550 in words is "one hundred one million, four hundred fifty-one thousand, five hundred fifty".