670192145 has 8 divisors (see below), whose sum is σ = 919120704. Its totient is φ = 459560304.

The previous prime is 670192141. The next prime is 670192169. The reversal of 670192145 is 541291076.

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

It is not a de Polignac number, because 670192145 - 2² = 670192141 is a prime.

It is a super-2 number, since 2×670192145² = 898315022439402050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 19148347 = 670192145 / (6 + 7 + 0 + 1 + 9 + 2 + 1 + 4 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670192141) 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, 9574139 + ... + 9574208.

It is an arithmetic number, because the mean of its divisors is an integer number (114890088).

Almost surely, 2^670192145 is an apocalyptic number.

It is an amenable number.

670192145 is a deficient number, since it is larger than the sum of its proper divisors (248928559).

670192145 is a wasteful number, since it uses less digits than its factorization.

670192145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19148359.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 670192145 is about 25888.0695495048. The cubic root of 670192145 is about 875.1176527511.

The spelling of 670192145 in words is "six hundred seventy million, one hundred ninety-two thousand, one hundred forty-five".