620237145 has 32 divisors (see below), whose sum is σ = 1105643520. Its totient is φ = 294319040.

The previous prime is 620237143. The next prime is 620237147. The reversal of 620237145 is 541732026.

It is an interprime number because it is at equal distance from previous prime (620237143) and next prime (620237147).

It is not a de Polignac number, because 620237145 - 2¹ = 620237143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620237143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32235 + ... + 47744.

It is an arithmetic number, because the mean of its divisors is an integer number (34551360).

Almost surely, 2^620237145 is an apocalyptic number.

It is an amenable number.

620237145 is a deficient number, since it is larger than the sum of its proper divisors (485406375).

620237145 is a wasteful number, since it uses less digits than its factorization.

620237145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80045.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 620237145 is about 24904.5607269030. The cubic root of 620237145 is about 852.8106016698.

The spelling of 620237145 in words is "six hundred twenty million, two hundred thirty-seven thousand, one hundred forty-five".