612044141 has 4 divisors (see below), whose sum is σ = 612210300. Its totient is φ = 611877984.

The previous prime is 612044119. The next prime is 612044161. The reversal of 612044141 is 141440216.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 363855625 + 248188516 = 19075^2 + 15754^2 .

It is a cyclic number.

It is not a de Polignac number, because 612044141 - 2⁶ = 612044077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612044161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77426 + ... + 84963.

It is an arithmetic number, because the mean of its divisors is an integer number (153052575).

Almost surely, 2^612044141 is an apocalyptic number.

It is an amenable number.

612044141 is a deficient number, since it is larger than the sum of its proper divisors (166159).

612044141 is a wasteful number, since it uses less digits than its factorization.

612044141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166158.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 612044141 is about 24739.5258847052. The cubic root of 612044141 is about 849.0388864372.

Adding to 612044141 its reverse (141440216), we get a palindrome (753484357).

The spelling of 612044141 in words is "six hundred twelve million, forty-four thousand, one hundred forty-one".