100651146 has 32 divisors (see below), whose sum is σ = 208305216. Its totient is φ = 32400000.

The previous prime is 100651123. The next prime is 100651147. The reversal of 100651146 is 641156001.

It is a super-2 number, since 2×100651146² = 20261306382226632, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100651147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22821 + ... + 26871.

It is an arithmetic number, because the mean of its divisors is an integer number (6509538).

Almost surely, 2^100651146 is an apocalyptic number.

100651146 is an abundant number, since it is smaller than the sum of its proper divisors (107654070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100651146 is a wasteful number, since it uses less digits than its factorization.

100651146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 100651146 is about 10032.5044729619. The cubic root of 100651146 is about 465.1641552466.

It can be divided in two parts, 10065 and 1146, that added together give a palindrome (11211).

The spelling of 100651146 in words is "one hundred million, six hundred fifty-one thousand, one hundred forty-six".