1424746857 has 8 divisors (see below), whose sum is σ = 1900807360. Its totient is φ = 949258800.

The previous prime is 1424746831. The next prime is 1424746859. The reversal of 1424746857 is 7586474241.

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

It is not a de Polignac number, because 1424746857 - 2⁶ = 1424746793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424746859) 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, 137269 + ... + 147282.

It is an arithmetic number, because the mean of its divisors is an integer number (237600920).

Almost surely, 2^1424746857 is an apocalyptic number.

It is an amenable number.

1424746857 is a deficient number, since it is larger than the sum of its proper divisors (476060503).

1424746857 is a wasteful number, since it uses less digits than its factorization.

1424746857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286223.

The product of its digits is 1505280, while the sum is 48.

The square root of 1424746857 is about 37745.8190664874. The cubic root of 1424746857 is about 1125.2419185423.

It can be divided in two parts, 142474 and 6857, that added together give a triangular number (149331 = T₅₄₆).

The spelling of 1424746857 in words is "one billion, four hundred twenty-four million, seven hundred forty-six thousand, eight hundred fifty-seven".