1457645561471 has 16 divisors (see below), whose sum is σ = 1659406169088. Its totient is φ = 1267433824800.

The previous prime is 1457645561467. The next prime is 1457645561473. The reversal of 1457645561471 is 1741655467541.

It is not a de Polignac number, because 1457645561471 - 2² = 1457645561467 is a prime.

It is a super-3 number, since 3×1457645561471³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457645561473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3795761 + ... + 4162101.

It is an arithmetic number, because the mean of its divisors is an integer number (103712885568).

Almost surely, 2^{1457645561471} is an apocalyptic number.

1457645561471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1457645561471 is a deficient number, since it is larger than the sum of its proper divisors (201760607617).

1457645561471 is a wasteful number, since it uses less digits than its factorization.

1457645561471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382102.

The product of its digits is 14112000, while the sum is 56.

The spelling of 1457645561471 in words is "one trillion, four hundred fifty-seven billion, six hundred forty-five million, five hundred sixty-one thousand, four hundred seventy-one".