810315149 has 8 divisors (see below), whose sum is σ = 980549568. Its totient is φ = 653699520.

The previous prime is 810315137. The next prime is 810315161. The reversal of 810315149 is 941513018.

It is an interprime number because it is at equal distance from previous prime (810315137) and next prime (810315161).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 810315149 - 2⁸ = 810314893 is a prime.

It is a super-2 number, since 2×810315149² = 1313221281397784402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810315179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3404567 + ... + 3404804.

It is an arithmetic number, because the mean of its divisors is an integer number (122568696).

Almost surely, 2^810315149 is an apocalyptic number.

It is an amenable number.

810315149 is a deficient number, since it is larger than the sum of its proper divisors (170234419).

810315149 is a wasteful number, since it uses less digits than its factorization.

810315149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6809395.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 810315149 is about 28466.0350066531. The cubic root of 810315149 is about 932.2906300881.

The spelling of 810315149 in words is "eight hundred ten million, three hundred fifteen thousand, one hundred forty-nine".