677030145 has 16 divisors (see below), whose sum is σ = 1181725632. Its totient is φ = 328256960.

The previous prime is 677030131. The next prime is 677030147. The reversal of 677030145 is 541030776.

It is not a de Polignac number, because 677030145 - 2⁵ = 677030113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (677030147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2051442 + ... + 2051771.

It is an arithmetic number, because the mean of its divisors is an integer number (73857852).

Almost surely, 2^677030145 is an apocalyptic number.

It is an amenable number.

677030145 is a deficient number, since it is larger than the sum of its proper divisors (504695487).

677030145 is a wasteful number, since it uses less digits than its factorization.

677030145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103232.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 677030145 is about 26019.8029392999. The cubic root of 677030145 is about 878.0838753384.

The spelling of 677030145 in words is "six hundred seventy-seven million, thirty thousand, one hundred forty-five".