900157469 has 2 divisors, whose sum is σ = 900157470. Its totient is φ = 900157468.

The previous prime is 900157451. The next prime is 900157483. The reversal of 900157469 is 964751009.

900157469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 623101444 + 277056025 = 24962^2 + 16645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-900157469 is a prime.

It is a super-2 number, since 2×900157469² = 1620566937992971922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (900157409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450078734 + 450078735.

It is an arithmetic number, because the mean of its divisors is an integer number (450078735).

Almost surely, 2^900157469 is an apocalyptic number.

It is an amenable number.

900157469 is a deficient number, since it is larger than the sum of its proper divisors (1).

900157469 is an equidigital number, since it uses as much as digits as its factorization.

900157469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 900157469 is about 30002.6243685448. The cubic root of 900157469 is about 965.5456904507.

The spelling of 900157469 in words is "nine hundred million, one hundred fifty-seven thousand, four hundred sixty-nine".