100451530 has 8 divisors (see below), whose sum is σ = 180812772. Its totient is φ = 40180608.

The previous prime is 100451503. The next prime is 100451573. The reversal of 100451530 is 35154001.

It can be written as a sum of positive squares in 2 ways, for example, as 98386561 + 2064969 = 9919^2 + 1437^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 100451498 and 100451507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5022567 + ... + 5022586.

Almost surely, 2^100451530 is an apocalyptic number.

100451530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100451530 is a deficient number, since it is larger than the sum of its proper divisors (80361242).

100451530 is a wasteful number, since it uses less digits than its factorization.

100451530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10045160.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 100451530 is about 10022.5510724566. The cubic root of 100451530 is about 464.8564400551.

The spelling of 100451530 in words is "one hundred million, four hundred fifty-one thousand, five hundred thirty".