45430739 has 2 divisors, whose sum is σ = 45430740. Its totient is φ = 45430738.

The previous prime is 45430663. The next prime is 45430741. The reversal of 45430739 is 93703454.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45430739 is a prime.

It is a super-2 number, since 2×45430739² = 4127904092172242, which contains 22 as substring.

Together with 45430741, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45430699 and 45430708.

It is not a weakly prime, because it can be changed into another prime (45430799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22715369 + 22715370.

It is an arithmetic number, because the mean of its divisors is an integer number (22715370).

Almost surely, 2^45430739 is an apocalyptic number.

45430739 is a deficient number, since it is larger than the sum of its proper divisors (1).

45430739 is an equidigital number, since it uses as much as digits as its factorization.

45430739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 45430739 is about 6740.2328594790. The cubic root of 45430739 is about 356.8206120120.

The spelling of 45430739 in words is "forty-five million, four hundred thirty thousand, seven hundred thirty-nine".