45511387 has 2 divisors, whose sum is σ = 45511388. Its totient is φ = 45511386.

The previous prime is 45511357. The next prime is 45511391. The reversal of 45511387 is 78311554.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45511387 - 2¹⁵ = 45478619 is a prime.

It is not a weakly prime, because it can be changed into another prime (45511337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22755693 + 22755694.

It is an arithmetic number, because the mean of its divisors is an integer number (22755694).

Almost surely, 2^45511387 is an apocalyptic number.

45511387 is a deficient number, since it is larger than the sum of its proper divisors (1).

45511387 is an equidigital number, since it uses as much as digits as its factorization.

45511387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 34.

The square root of 45511387 is about 6746.2127894101. The cubic root of 45511387 is about 357.0316281509.

The spelling of 45511387 in words is "forty-five million, five hundred eleven thousand, three hundred eighty-seven".