612236045 has 16 divisors (see below), whose sum is σ = 779651568. Its totient is φ = 459939840.

The previous prime is 612236041. The next prime is 612236063. The reversal of 612236045 is 540632216.

It can be written as a sum of positive squares in 8 ways, for example, as 71859529 + 540376516 = 8477^2 + 23246^2 .

It is not a de Polignac number, because 612236045 - 2² = 612236041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612235999 and 612236017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612236041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30965 + ... + 46725.

It is an arithmetic number, because the mean of its divisors is an integer number (48728223).

Almost surely, 2^612236045 is an apocalyptic number.

It is an amenable number.

612236045 is a deficient number, since it is larger than the sum of its proper divisors (167415523).

612236045 is a wasteful number, since it uses less digits than its factorization.

612236045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16240.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 612236045 is about 24743.4040705801. The cubic root of 612236045 is about 849.1276147502.

The spelling of 612236045 in words is "six hundred twelve million, two hundred thirty-six thousand, forty-five".