620273145 has 16 divisors (see below), whose sum is σ = 1044671040. Its totient is φ = 313401024.

The previous prime is 620273041. The next prime is 620273179. The reversal of 620273145 is 541372026.

It is not a de Polignac number, because 620273145 - 2¹¹ = 620271097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1087914 + ... + 1088483.

It is an arithmetic number, because the mean of its divisors is an integer number (65291940).

Almost surely, 2^620273145 is an apocalyptic number.

It is an amenable number.

620273145 is a deficient number, since it is larger than the sum of its proper divisors (424397895).

620273145 is a wasteful number, since it uses less digits than its factorization.

620273145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176424.

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

The square root of 620273145 is about 24905.2834756001. The cubic root of 620273145 is about 852.8271010512.

The spelling of 620273145 in words is "six hundred twenty million, two hundred seventy-three thousand, one hundred forty-five".