145713087 has 40 divisors (see below), whose sum is σ = 237837600. Its totient is φ = 88361280.

The previous prime is 145713083. The next prime is 145713091. The reversal of 145713087 is 780317541.

145713087 is a `hidden beast` number, since 1 + 4 + 571 + 3 + 0 + 87 = 666.

It is an interprime number because it is at equal distance from previous prime (145713083) and next prime (145713091).

It is not a de Polignac number, because 145713087 - 2² = 145713083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145713083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 73789 + ... + 75737.

It is an arithmetic number, because the mean of its divisors is an integer number (5945940).

Almost surely, 2^145713087 is an apocalyptic number.

145713087 is a deficient number, since it is larger than the sum of its proper divisors (92124513).

145713087 is a wasteful number, since it uses less digits than its factorization.

145713087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 145713087 is about 12071.1675905854. The cubic root of 145713087 is about 526.2185897228.

The spelling of 145713087 in words is "one hundred forty-five million, seven hundred thirteen thousand, eighty-seven".