5145642 has 24 divisors (see below), whose sum is σ = 11190816. Its totient is φ = 1708776.

The previous prime is 5145631. The next prime is 5145643. The reversal of 5145642 is 2465415.

5145642 is a `hidden beast` number, since 5 + 14 + 5 + 642 = 666.

It is a super-4 number, since 4×5145642⁴ (a number of 28 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (5145643) 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, 8473 + ... + 9059.

It is an arithmetic number, because the mean of its divisors is an integer number (466284).

Almost surely, 2^5145642 is an apocalyptic number.

5145642 is an abundant number, since it is smaller than the sum of its proper divisors (6045174).

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

5145642 is a wasteful number, since it uses less digits than its factorization.

5145642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082 (or 1079 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 5145642 is about 2268.4007582436. The cubic root of 5145642 is about 172.6420254403.

The spelling of 5145642 in words is "five million, one hundred forty-five thousand, six hundred forty-two".