2453157746 has 8 divisors (see below), whose sum is σ = 3962793324. Its totient is φ = 1132226640.

The previous prime is 2453157743. The next prime is 2453157769. The reversal of 2453157746 is 6477513542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2382513721 + 70644025 = 48811^2 + 8405^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2453157697 and 2453157706.

It is not an unprimeable number, because it can be changed into a prime (2453157743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47176085 + ... + 47176136.

Almost surely, 2^2453157746 is an apocalyptic number.

2453157746 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2453157746 is a deficient number, since it is larger than the sum of its proper divisors (1509635578).

2453157746 is a wasteful number, since it uses less digits than its factorization.

2453157746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94352236.

The product of its digits is 705600, while the sum is 44.

The square root of 2453157746 is about 49529.3624630885. The cubic root of 2453157746 is about 1348.6786790042.

The spelling of 2453157746 in words is "two billion, four hundred fifty-three million, one hundred fifty-seven thousand, seven hundred forty-six".