612146141 has 8 divisors (see below), whose sum is σ = 616395000. Its totient is φ = 607905792.

The previous prime is 612146137. The next prime is 612146179. The reversal of 612146141 is 141641216.

It can be written as a sum of positive squares in 4 ways, for example, as 158030041 + 454116100 = 12571^2 + 21310^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612146141 - 2² = 612146137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612146141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612146341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214661 + ... + 217493.

It is an arithmetic number, because the mean of its divisors is an integer number (77049375).

Almost surely, 2^612146141 is an apocalyptic number.

It is an amenable number.

612146141 is a deficient number, since it is larger than the sum of its proper divisors (4248859).

612146141 is a wasteful number, since it uses less digits than its factorization.

612146141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255.

The product of its digits is 1152, while the sum is 26.

The square root of 612146141 is about 24741.5872772949. The cubic root of 612146141 is about 849.0860492425.

Adding to 612146141 its reverse (141641216), we get a palindrome (753787357).

The spelling of 612146141 in words is "six hundred twelve million, one hundred forty-six thousand, one hundred forty-one".