145080187 has 4 divisors (see below), whose sum is σ = 165805936. Its totient is φ = 124354440.

The previous prime is 145080179. The next prime is 145080197. The reversal of 145080187 is 781080541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 781080541 = 233 ⋅3352277.

It is not a de Polignac number, because 145080187 - 2³ = 145080179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145080107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10362864 + ... + 10362877.

It is an arithmetic number, because the mean of its divisors is an integer number (41451484).

Almost surely, 2^145080187 is an apocalyptic number.

145080187 is a deficient number, since it is larger than the sum of its proper divisors (20725749).

145080187 is an equidigital number, since it uses as much as digits as its factorization.

145080187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20725748.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 145080187 is about 12044.9237025396. The cubic root of 145080187 is about 525.4556129547.

The spelling of 145080187 in words is "one hundred forty-five million, eighty thousand, one hundred eighty-seven".