499451157 has 32 divisors (see below), whose sum is σ = 786979200. Its totient is φ = 312159744.

The previous prime is 499451131. The next prime is 499451159. The reversal of 499451157 is 751154994.

499451157 is a `hidden beast` number, since 49 + 9 + 451 + 157 = 666.

It is not a de Polignac number, because 499451157 - 2¹² = 499447061 is a prime.

It is a super-3 number, since 3×499451157³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499451159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44743 + ... + 54779.

It is an arithmetic number, because the mean of its divisors is an integer number (24593100).

Almost surely, 2^499451157 is an apocalyptic number.

It is an amenable number.

499451157 is a deficient number, since it is larger than the sum of its proper divisors (287528043).

499451157 is a wasteful number, since it uses less digits than its factorization.

499451157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10162 (or 10156 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 499451157 is about 22348.4039027399. The cubic root of 499451157 is about 793.4100083406.

The spelling of 499451157 in words is "four hundred ninety-nine million, four hundred fifty-one thousand, one hundred fifty-seven".