1457084641 has 4 divisors (see below), whose sum is σ = 1470452500. Its totient is φ = 1443716784.

The previous prime is 1457084581. The next prime is 1457084677. The reversal of 1457084641 is 1464807541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1464807541 = 37 ⋅39589393.

It can be written as a sum of positive squares in 2 ways, for example, as 1135420416 + 321664225 = 33696^2 + 17935^2 .

It is a cyclic number.

It is not a de Polignac number, because 1457084641 - 2⁷ = 1457084513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1457084594 and 1457084603.

It is not an unprimeable number, because it can be changed into a prime (1457084341) 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, 6683766 + ... + 6683983.

It is an arithmetic number, because the mean of its divisors is an integer number (367613125).

Almost surely, 2^1457084641 is an apocalyptic number.

It is an amenable number.

1457084641 is a deficient number, since it is larger than the sum of its proper divisors (13367859).

1457084641 is a wasteful number, since it uses less digits than its factorization.

1457084641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13367858.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 1457084641 is about 38171.7780696682. The cubic root of 1457084641 is about 1133.6915948011.

The spelling of 1457084641 in words is "one billion, four hundred fifty-seven million, eighty-four thousand, six hundred forty-one".