1474557445 has 4 divisors (see below), whose sum is σ = 1769468940. Its totient is φ = 1179645952.

The previous prime is 1474557443. The next prime is 1474557451. The reversal of 1474557445 is 5447554741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5447554741 = 293 ⋅18592337.

It can be written as a sum of positive squares in 2 ways, for example, as 220760164 + 1253797281 = 14858^2 + 35409^2 .

It is a cyclic number.

It is not a de Polignac number, because 1474557445 - 2¹ = 1474557443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1474557395 and 1474557404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1474557443) 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, 147455740 + ... + 147455749.

It is an arithmetic number, because the mean of its divisors is an integer number (442367235).

Almost surely, 2^1474557445 is an apocalyptic number.

It is an amenable number.

1474557445 is a deficient number, since it is larger than the sum of its proper divisors (294911495).

1474557445 is an equidigital number, since it uses as much as digits as its factorization.

1474557445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294911494.

The product of its digits is 1568000, while the sum is 46.

The square root of 1474557445 is about 38399.9667317564. The cubic root of 1474557445 is about 1138.2052000390.

The spelling of 1474557445 in words is "one billion, four hundred seventy-four million, five hundred fifty-seven thousand, four hundred forty-five".