611345145 has 16 divisors (see below), whose sum is σ = 991930752. Its totient is φ = 321457920.

The previous prime is 611345131. The next prime is 611345171. The reversal of 611345145 is 541543116.

It is a happy number.

It is not a de Polignac number, because 611345145 - 2⁵ = 611345113 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, 285952 + ... + 288081.

It is an arithmetic number, because the mean of its divisors is an integer number (61995672).

Almost surely, 2^611345145 is an apocalyptic number.

It is an amenable number.

611345145 is a deficient number, since it is larger than the sum of its proper divisors (380585607).

611345145 is a wasteful number, since it uses less digits than its factorization.

611345145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574112.

The product of its digits is 7200, while the sum is 30.

The square root of 611345145 is about 24725.3947390128. The cubic root of 611345145 is about 848.7155432780.

The spelling of 611345145 in words is "six hundred eleven million, three hundred forty-five thousand, one hundred forty-five".