1473513145 has 16 divisors (see below), whose sum is σ = 1950680592. Its totient is φ = 1061591040.

The previous prime is 1473513127. The next prime is 1473513149. The reversal of 1473513145 is 5413153741.

1473513145 = 3400² + 3401² + ... + 3522².

It can be written as a sum of positive squares in 8 ways, for example, as 915183504 + 558329641 = 30252^2 + 23629^2 .

It is not a de Polignac number, because 1473513145 - 2⁷ = 1473513017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1473513145.

It is not an unprimeable number, because it can be changed into a prime (1473513149) 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, 273792 + ... + 279121.

It is an arithmetic number, because the mean of its divisors is an integer number (121917537).

Almost surely, 2^1473513145 is an apocalyptic number.

It is an amenable number.

1473513145 is a deficient number, since it is larger than the sum of its proper divisors (477167447).

1473513145 is a wasteful number, since it uses less digits than its factorization.

1473513145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552972.

The product of its digits is 25200, while the sum is 34.

The square root of 1473513145 is about 38386.3666553635. The cubic root of 1473513145 is about 1137.9364395361.

Adding to 1473513145 its reverse (5413153741), we get a palindrome (6886666886).

The spelling of 1473513145 in words is "one billion, four hundred seventy-three million, five hundred thirteen thousand, one hundred forty-five".