145533587 has 2 divisors, whose sum is σ = 145533588. Its totient is φ = 145533586.

The previous prime is 145533547. The next prime is 145533607. The reversal of 145533587 is 785335541.

It is a strong prime.

It is an emirp because it is prime and its reverse (785335541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145533587 - 2¹⁶ = 145468051 is a prime.

It is not a weakly prime, because it can be changed into another prime (145533547) 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 as a sum of consecutive naturals, namely, 72766793 + 72766794.

It is an arithmetic number, because the mean of its divisors is an integer number (72766794).

Almost surely, 2^145533587 is an apocalyptic number.

145533587 is a deficient number, since it is larger than the sum of its proper divisors (1).

145533587 is an equidigital number, since it uses as much as digits as its factorization.

145533587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 41.

The square root of 145533587 is about 12063.7302274214. The cubic root of 145533587 is about 526.0024227987.

The spelling of 145533587 in words is "one hundred forty-five million, five hundred thirty-three thousand, five hundred eighty-seven".