18145077 has 8 divisors (see below), whose sum is σ = 24222240. Its totient is φ = 12082320.

The previous prime is 18145073. The next prime is 18145087. The reversal of 18145077 is 77054181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18145077 - 2² = 18145073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18145073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202 + ... + 6027.

It is an arithmetic number, because the mean of its divisors is an integer number (3027780).

Almost surely, 2^18145077 is an apocalyptic number.

It is an amenable number.

18145077 is a deficient number, since it is larger than the sum of its proper divisors (6077163).

18145077 is an equidigital number, since it uses as much as digits as its factorization.

18145077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7203.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 18145077 is about 4259.7038629463. The cubic root of 18145077 is about 262.7763475211.

The spelling of 18145077 in words is "eighteen million, one hundred forty-five thousand, seventy-seven".