145576687 has 2 divisors, whose sum is σ = 145576688. Its totient is φ = 145576686.

The previous prime is 145576681. The next prime is 145576693. The reversal of 145576687 is 786675541.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (145576681) and next prime (145576693).

It is an emirp because it is prime and its reverse (786675541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145576687 - 2²⁷ = 11358959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145576687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145576681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72788343 + 72788344.

It is an arithmetic number, because the mean of its divisors is an integer number (72788344).

Almost surely, 2^145576687 is an apocalyptic number.

145576687 is a deficient number, since it is larger than the sum of its proper divisors (1).

145576687 is an equidigital number, since it uses as much as digits as its factorization.

145576687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 49.

The square root of 145576687 is about 12065.5164414956. The cubic root of 145576687 is about 526.0543431544.

The spelling of 145576687 in words is "one hundred forty-five million, five hundred seventy-six thousand, six hundred eighty-seven".