455732149 has 2 divisors, whose sum is σ = 455732150. Its totient is φ = 455732148.

The previous prime is 455732113. The next prime is 455732171. The reversal of 455732149 is 941237554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339480625 + 116251524 = 18425^2 + 10782^2 .

It is a cyclic number.

It is not a de Polignac number, because 455732149 - 2⁷ = 455732021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455742149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227866074 + 227866075.

It is an arithmetic number, because the mean of its divisors is an integer number (227866075).

Almost surely, 2^455732149 is an apocalyptic number.

It is an amenable number.

455732149 is a deficient number, since it is larger than the sum of its proper divisors (1).

455732149 is an equidigital number, since it uses as much as digits as its factorization.

455732149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 455732149 is about 21347.8839466585. The cubic root of 455732149 is about 769.5494913467.

The spelling of 455732149 in words is "four hundred fifty-five million, seven hundred thirty-two thousand, one hundred forty-nine".