4145634 has 16 divisors (see below), whose sum is σ = 9212640. Its totient is φ = 1381860.

The previous prime is 4145611. The next prime is 4145639. The reversal of 4145634 is 4365414.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 4145598 and 4145607.

It is not an unprimeable number, because it can be changed into a prime (4145639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38332 + ... + 38439.

It is an arithmetic number, because the mean of its divisors is an integer number (575790).

Almost surely, 2^4145634 is an apocalyptic number.

4145634 is an abundant number, since it is smaller than the sum of its proper divisors (5067006).

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

4145634 is a wasteful number, since it uses less digits than its factorization.

4145634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76782 (or 76776 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 4145634 is about 2036.0830042019. The cubic root of 4145634 is about 160.6436830201.

The spelling of 4145634 in words is "four million, one hundred forty-five thousand, six hundred thirty-four".