6145739 has 4 divisors (see below), whose sum is σ = 6160056. Its totient is φ = 6131424.

The previous prime is 6145729. The next prime is 6145753. The reversal of 6145739 is 9375416.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6145739 - 2⁴ = 6145723 is a prime.

It is a super-2 number, since 2×6145739² = 75540215712242, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6⁵ + 1 + 4 + 5 + 7⁷ + 3¹⁴ + 9⁶ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6145699 and 6145708.

It is not an unprimeable number, because it can be changed into a prime (6145729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6494 + ... + 7379.

It is an arithmetic number, because the mean of its divisors is an integer number (1540014).

Almost surely, 2^6145739 is an apocalyptic number.

6145739 is a deficient number, since it is larger than the sum of its proper divisors (14317).

6145739 is a wasteful number, since it uses less digits than its factorization.

6145739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14316.

The product of its digits is 22680, while the sum is 35.

The square root of 6145739 is about 2479.0601041524. The cubic root of 6145739 is about 183.1715571964.

The spelling of 6145739 in words is "six million, one hundred forty-five thousand, seven hundred thirty-nine".