45134389 has 2 divisors, whose sum is σ = 45134390. Its totient is φ = 45134388.

The previous prime is 45134381. The next prime is 45134407. The reversal of 45134389 is 98343154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44823025 + 311364 = 6695^2 + 558^2 .

It is a cyclic number.

It is not a de Polignac number, because 45134389 - 2³ = 45134381 is a prime.

It is a super-2 number, since 2×45134389² = 4074226140806642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45134381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22567194 + 22567195.

It is an arithmetic number, because the mean of its divisors is an integer number (22567195).

Almost surely, 2^45134389 is an apocalyptic number.

It is an amenable number.

45134389 is a deficient number, since it is larger than the sum of its proper divisors (1).

45134389 is an equidigital number, since it uses as much as digits as its factorization.

45134389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 45134389 is about 6718.2132297211. The cubic root of 45134389 is about 356.0430580626.

The spelling of 45134389 in words is "forty-five million, one hundred thirty-four thousand, three hundred eighty-nine".