107144947 has 24 divisors (see below), whose sum is σ = 134738016. Its totient is φ = 82954368.

The previous prime is 107144923. The next prime is 107144963. The reversal of 107144947 is 749441701.

It is not a de Polignac number, because 107144947 - 2¹¹ = 107142899 is a prime.

It is a super-2 number, since 2×107144947² = 22960079335265618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (107144987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 843598 + ... + 843724.

It is an arithmetic number, because the mean of its divisors is an integer number (5614084).

Almost surely, 2^107144947 is an apocalyptic number.

107144947 is a deficient number, since it is larger than the sum of its proper divisors (27593069).

107144947 is an equidigital number, since it uses as much as digits as its factorization.

107144947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 107144947 is about 10351.0843393337. The cubic root of 107144947 is about 474.9602138421.

The spelling of 107144947 in words is "one hundred seven million, one hundred forty-four thousand, nine hundred forty-seven".