103152644 has 18 divisors (see below), whose sum is σ = 209989710. Its totient is φ = 44208192.

The previous prime is 103152641. The next prime is 103152661. The reversal of 103152644 is 446251301.

It can be written as a sum of positive squares in only one way, i.e., 94672900 + 8479744 = 9730^2 + 2912^2 .

It is not an unprimeable number, because it can be changed into a prime (103152641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262949 + ... + 263340.

It is an arithmetic number, because the mean of its divisors is an integer number (11666095).

Almost surely, 2^103152644 is an apocalyptic number.

103152644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

103152644 is an abundant number, since it is smaller than the sum of its proper divisors (106837066).

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

103152644 is a wasteful number, since it uses less digits than its factorization.

103152644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526307 (or 526298 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 103152644 is about 10156.4090110629. The cubic root of 103152644 is about 468.9862623139.

The spelling of 103152644 in words is "one hundred three million, one hundred fifty-two thousand, six hundred forty-four".