6145949 has 4 divisors (see below), whose sum is σ = 6469440. Its totient is φ = 5822460.

The previous prime is 6145927. The next prime is 6145961. The reversal of 6145949 is 9495416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6145949 - 2⁸ = 6145693 is a prime.

It is a super-2 number, since 2×6145949² = 75545378221202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6145649) 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, 161717 + ... + 161754.

It is an arithmetic number, because the mean of its divisors is an integer number (1617360).

Almost surely, 2^6145949 is an apocalyptic number.

It is an amenable number.

6145949 is a deficient number, since it is larger than the sum of its proper divisors (323491).

6145949 is a wasteful number, since it uses less digits than its factorization.

6145949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323490.

The product of its digits is 38880, while the sum is 38.

The square root of 6145949 is about 2479.1024585523. The cubic root of 6145949 is about 183.1736434977.

The spelling of 6145949 in words is "six million, one hundred forty-five thousand, nine hundred forty-nine".