45152431 has 2 divisors, whose sum is σ = 45152432. Its totient is φ = 45152430.

The previous prime is 45152423. The next prime is 45152453. The reversal of 45152431 is 13425154.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45152431 - 2³ = 45152423 is a prime.

It is a super-2 number, since 2×45152431² = 4077484050419522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45152396 and 45152405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45156431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22576215 + 22576216.

It is an arithmetic number, because the mean of its divisors is an integer number (22576216).

Almost surely, 2^45152431 is an apocalyptic number.

45152431 is a deficient number, since it is larger than the sum of its proper divisors (1).

45152431 is an equidigital number, since it uses as much as digits as its factorization.

45152431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 25.

The square root of 45152431 is about 6719.5558632993. Note that the first 3 decimals coincide. The cubic root of 45152431 is about 356.0904932389.

Adding to 45152431 its reverse (13425154), we get a palindrome (58577585).

The spelling of 45152431 in words is "forty-five million, one hundred fifty-two thousand, four hundred thirty-one".