45194951 has 2 divisors, whose sum is σ = 45194952. Its totient is φ = 45194950.

The previous prime is 45194927. The next prime is 45195011. The reversal of 45194951 is 15949154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45194951 - 2⁶ = 45194887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45196951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22597475 + 22597476.

It is an arithmetic number, because the mean of its divisors is an integer number (22597476).

Almost surely, 2^45194951 is an apocalyptic number.

45194951 is a deficient number, since it is larger than the sum of its proper divisors (1).

45194951 is an equidigital number, since it uses as much as digits as its factorization.

45194951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 38.

The square root of 45194951 is about 6722.7190183734. The cubic root of 45194951 is about 356.2022348600.

The spelling of 45194951 in words is "forty-five million, one hundred ninety-four thousand, nine hundred fifty-one".