745226367261 has 12 divisors (see below), whose sum is σ = 1055522468352. Its totient is φ = 467593014208.

The previous prime is 745226367233. The next prime is 745226367331. The reversal of 745226367261 is 162763622547.

It is not a de Polignac number, because 745226367261 - 2¹⁷ = 745226236189 is a prime.

It is a super-2 number, since 2×745226367261² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745226367211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429772125 + ... + 429773858.

It is an arithmetic number, because the mean of its divisors is an integer number (87960205696).

Almost surely, 2^745226367261 is an apocalyptic number.

It is an amenable number.

745226367261 is a deficient number, since it is larger than the sum of its proper divisors (310296101091).

745226367261 is a wasteful number, since it uses less digits than its factorization.

745226367261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859546020 (or 859546003 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 51.

The spelling of 745226367261 in words is "seven hundred forty-five billion, two hundred twenty-six million, three hundred sixty-seven thousand, two hundred sixty-one".