93145644 has 36 divisors (see below), whose sum is σ = 235797744. Its totient is φ = 31002912.

The previous prime is 93145643. The next prime is 93145649. The reversal of 93145644 is 44654139.

93145644 is a `hidden beast` number, since 9 + 3 + 1 + 4 + 5 + 644 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×93145644² = 17352221992349472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 93145599 and 93145608.

It is not an unprimeable number, because it can be changed into a prime (93145643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30474 + ... + 33390.

Almost surely, 2^93145644 is an apocalyptic number.

It is an amenable number.

93145644 is an abundant number, since it is smaller than the sum of its proper divisors (142652100).

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

93145644 is a wasteful number, since it uses less digits than its factorization.

93145644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814 (or 3809 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 93145644 is about 9651.1990964854. The cubic root of 93145644 is about 453.3018761813.

The spelling of 93145644 in words is "ninety-three million, one hundred forty-five thousand, six hundred forty-four".