45403229 has 2 divisors, whose sum is σ = 45403230. Its totient is φ = 45403228.

The previous prime is 45403223. The next prime is 45403249. The reversal of 45403229 is 92230454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39400729 + 6002500 = 6277^2 + 2450^2 .

It is a cyclic number.

It is not a de Polignac number, because 45403229 - 2¹⁶ = 45337693 is a prime.

It is a super-2 number, since 2×45403229² = 4122906407252882, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45403223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22701614 + 22701615.

It is an arithmetic number, because the mean of its divisors is an integer number (22701615).

Almost surely, 2^45403229 is an apocalyptic number.

It is an amenable number.

45403229 is a deficient number, since it is larger than the sum of its proper divisors (1).

45403229 is an equidigital number, since it uses as much as digits as its factorization.

45403229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 45403229 is about 6738.1918197689. The cubic root of 45403229 is about 356.7485747580.

The spelling of 45403229 in words is "forty-five million, four hundred three thousand, two hundred twenty-nine".