61145362943 has 32 divisors (see below), whose sum is σ = 78389821440. Its totient is φ = 46482495840.

The previous prime is 61145362909. The next prime is 61145362963. The reversal of 61145362943 is 34926354116.

It is not a de Polignac number, because 61145362943 - 2²² = 61141168639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61145362894 and 61145362903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61145362963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68873 + ... + 356418.

It is an arithmetic number, because the mean of its divisors is an integer number (2449681920).

Almost surely, 2^61145362943 is an apocalyptic number.

61145362943 is a deficient number, since it is larger than the sum of its proper divisors (17244458497).

61145362943 is a wasteful number, since it uses less digits than its factorization.

61145362943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425387.

The product of its digits is 466560, while the sum is 44.

The spelling of 61145362943 in words is "sixty-one billion, one hundred forty-five million, three hundred sixty-two thousand, nine hundred forty-three".