8157045 has 32 divisors (see below), whose sum is σ = 14313600. Its totient is φ = 3942144.

The previous prime is 8157043. The next prime is 8157047. The reversal of 8157045 is 5407518.

It is an interprime number because it is at equal distance from previous prime (8157043) and next prime (8157047).

It is not a de Polignac number, because 8157045 - 2¹ = 8157043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8157041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11151 + ... + 11859.

It is an arithmetic number, because the mean of its divisors is an integer number (447300).

Almost surely, 2^8157045 is an apocalyptic number.

It is an amenable number.

8157045 is a deficient number, since it is larger than the sum of its proper divisors (6156555).

8157045 is a wasteful number, since it uses less digits than its factorization.

8157045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 8157045 is about 2856.0540961263. The cubic root of 8157045 is about 201.3002369346.

The spelling of 8157045 in words is "eight million, one hundred fifty-seven thousand, forty-five".