1587157145 has 32 divisors (see below), whose sum is σ = 2318658048. Its totient is φ = 1018119168.

The previous prime is 1587157139. The next prime is 1587157199. The reversal of 1587157145 is 5417517851.

It is a cyclic number.

It is not a de Polignac number, because 1587157145 - 2⁴ = 1587157129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1587157096 and 1587157105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91379 + ... + 107351.

It is an arithmetic number, because the mean of its divisors is an integer number (72458064).

Almost surely, 2^1587157145 is an apocalyptic number.

It is an amenable number.

1587157145 is a deficient number, since it is larger than the sum of its proper divisors (731500903).

1587157145 is a wasteful number, since it uses less digits than its factorization.

1587157145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16169.

The product of its digits is 196000, while the sum is 44.

The square root of 1587157145 is about 39839.1408667406. The cubic root of 1587157145 is about 1166.4692901018.

The spelling of 1587157145 in words is "one billion, five hundred eighty-seven million, one hundred fifty-seven thousand, one hundred forty-five".