45270431 has 2 divisors, whose sum is σ = 45270432. Its totient is φ = 45270430.

The previous prime is 45270419. The next prime is 45270451. The reversal of 45270431 is 13407254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45270431 - 2⁶ = 45270367 is a prime.

It is a super-3 number, since 3×45270431³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is equal to p_2733551 and since 45270431 and 2733551 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45270431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45270451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22635215 + 22635216.

It is an arithmetic number, because the mean of its divisors is an integer number (22635216).

Almost surely, 2^45270431 is an apocalyptic number.

45270431 is a deficient number, since it is larger than the sum of its proper divisors (1).

45270431 is an equidigital number, since it uses as much as digits as its factorization.

45270431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 45270431 is about 6728.3304764258. The cubic root of 45270431 is about 356.4004221241.

Adding to 45270431 its reverse (13407254), we get a palindrome (58677685).

The spelling of 45270431 in words is "forty-five million, two hundred seventy thousand, four hundred thirty-one".