628392145 has 8 divisors (see below), whose sum is σ = 754560000. Its totient is φ = 502387440.

The previous prime is 628392143. The next prime is 628392157. The reversal of 628392145 is 541293826.

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

It is not a de Polignac number, because 628392145 - 2¹ = 628392143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 628392098 and 628392107.

It is not an unprimeable number, because it can be changed into a prime (628392143) 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, 32145 + ... + 47854.

It is an arithmetic number, because the mean of its divisors is an integer number (94320000).

Almost surely, 2^628392145 is an apocalyptic number.

It is an amenable number.

628392145 is a deficient number, since it is larger than the sum of its proper divisors (126167855).

628392145 is a wasteful number, since it uses less digits than its factorization.

628392145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81575.

The product of its digits is 103680, while the sum is 40.

The square root of 628392145 is about 25067.7510957804. The cubic root of 628392145 is about 856.5319797304.

The spelling of 628392145 in words is "six hundred twenty-eight million, three hundred ninety-two thousand, one hundred forty-five".