45946391 has 2 divisors, whose sum is σ = 45946392. Its totient is φ = 45946390.

The previous prime is 45946379. The next prime is 45946421. The reversal of 45946391 is 19364954.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45946391 - 2¹⁴ = 45930007 is a prime.

It is a super-2 number, since 2×45946391² = 4222141691849762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45946361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22973195 + 22973196.

It is an arithmetic number, because the mean of its divisors is an integer number (22973196).

Almost surely, 2^45946391 is an apocalyptic number.

45946391 is a deficient number, since it is larger than the sum of its proper divisors (1).

45946391 is an equidigital number, since it uses as much as digits as its factorization.

45946391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 45946391 is about 6778.3767230805. The cubic root of 45946391 is about 358.1655419707.

The spelling of 45946391 in words is "forty-five million, nine hundred forty-six thousand, three hundred ninety-one".