494145837 has 24 divisors (see below), whose sum is σ = 726329760. Its totient is φ = 323658720.

The previous prime is 494145791. The next prime is 494145857. The reversal of 494145837 is 738541494.

It is not a de Polignac number, because 494145837 - 2¹² = 494141741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 494145792 and 494145801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494145857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 295239 + ... + 296907.

It is an arithmetic number, because the mean of its divisors is an integer number (30263740).

Almost surely, 2^494145837 is an apocalyptic number.

It is an amenable number.

494145837 is a deficient number, since it is larger than the sum of its proper divisors (232183923).

494145837 is a wasteful number, since it uses less digits than its factorization.

494145837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233 (or 2230 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 494145837 is about 22229.3912872125. The cubic root of 494145837 is about 790.5907225204.

The spelling of 494145837 in words is "four hundred ninety-four million, one hundred forty-five thousand, eight hundred thirty-seven".