45420134461223 has 8 divisors (see below), whose sum is σ = 45562724706576. Its totient is φ = 45277734974400.

The previous prime is 45420134461183. The next prime is 45420134461249. The reversal of 45420134461223 is 32216443102454.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45420134461223 is a prime.

It is a super-2 number, since 2×45420134461223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45420134461283) 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, 47212673 + ... + 48165098.

It is an arithmetic number, because the mean of its divisors is an integer number (5695340588322).

Almost surely, 2^{45420134461223} is an apocalyptic number.

45420134461223 is a deficient number, since it is larger than the sum of its proper divisors (142590245353).

45420134461223 is a wasteful number, since it uses less digits than its factorization.

45420134461223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95379265.

The product of its (nonzero) digits is 552960, while the sum is 41.

Adding to 45420134461223 its reverse (32216443102454), we get a palindrome (77636577563677).

The spelling of 45420134461223 in words is "forty-five trillion, four hundred twenty billion, one hundred thirty-four million, four hundred sixty-one thousand, two hundred twenty-three".