611241345 has 144 divisors (see below), whose sum is σ = 1301332032. Its totient is φ = 261515520.

The previous prime is 611241331. The next prime is 611241383. The reversal of 611241345 is 543142116.

It is a happy number.

611241345 is a `hidden beast` number, since 611 + 2 + 4 + 1 + 3 + 45 = 666.

It is not a de Polignac number, because 611241345 - 2¹⁴ = 611224961 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 13005112 + ... + 13005158.

It is an arithmetic number, because the mean of its divisors is an integer number (9037028).

Almost surely, 2^611241345 is an apocalyptic number.

611241345 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

611241345 is an abundant number, since it is smaller than the sum of its proper divisors (690090687).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611241345 is a wasteful number, since it uses less digits than its factorization.

611241345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 122 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 611241345 is about 24723.2955934277. The cubic root of 611241345 is about 848.6675062236.

The spelling of 611241345 in words is "six hundred eleven million, two hundred forty-one thousand, three hundred forty-five".