450120157 has 2 divisors, whose sum is σ = 450120158. Its totient is φ = 450120156.

The previous prime is 450120103. The next prime is 450120161. The reversal of 450120157 is 751021054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279190681 + 170929476 = 16709^2 + 13074^2 .

It is a cyclic number.

It is not a de Polignac number, because 450120157 - 2¹⁹ = 449595869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450120257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225060078 + 225060079.

It is an arithmetic number, because the mean of its divisors is an integer number (225060079).

Almost surely, 2^450120157 is an apocalyptic number.

It is an amenable number.

450120157 is a deficient number, since it is larger than the sum of its proper divisors (1).

450120157 is an equidigital number, since it uses as much as digits as its factorization.

450120157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 450120157 is about 21216.0353742164. The cubic root of 450120157 is about 766.3776318367.

The spelling of 450120157 in words is "four hundred fifty million, one hundred twenty thousand, one hundred fifty-seven".