45954991 has 2 divisors, whose sum is σ = 45954992. Its totient is φ = 45954990.

The previous prime is 45954983. The next prime is 45955009. The reversal of 45954991 is 19945954.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45954991 - 2³ = 45954983 is a prime.

It is a super-2 number, since 2×45954991² = 4223722395620162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45954971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22977495 + 22977496.

It is an arithmetic number, because the mean of its divisors is an integer number (22977496).

Almost surely, 2^45954991 is an apocalyptic number.

45954991 is a deficient number, since it is larger than the sum of its proper divisors (1).

45954991 is an equidigital number, since it uses as much as digits as its factorization.

45954991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 46.

The square root of 45954991 is about 6779.0110635697. The cubic root of 45954991 is about 358.1878870809.

The spelling of 45954991 in words is "forty-five million, nine hundred fifty-four thousand, nine hundred ninety-one".