4145742 has 40 divisors (see below), whose sum is σ = 9406056. Its totient is φ = 1364688.

The previous prime is 4145737. The next prime is 4145777. The reversal of 4145742 is 2475414.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25353 + ... + 25515.

Almost surely, 2^4145742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4145742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4703028).

4145742 is an abundant number, since it is smaller than the sum of its proper divisors (5260314).

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

4145742 is a wasteful number, since it uses less digits than its factorization.

4145742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 325 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 4145742 is about 2036.1095255413. The cubic root of 4145742 is about 160.6450780112.

The spelling of 4145742 in words is "four million, one hundred forty-five thousand, seven hundred forty-two".