1469398545 has 36 divisors (see below), whose sum is σ = 2564764020. Its totient is φ = 778237632.

The previous prime is 1469398517. The next prime is 1469398547. The reversal of 1469398545 is 5458939641.

1469398545 is a `hidden beast` number, since 1 + 4 + 6 + 9 + 3 + 98 + 545 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1105695504 + 363703041 = 33252^2 + 19071^2 .

It is not a de Polignac number, because 1469398545 - 2¹³ = 1469390353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1469398491 and 1469398500.

It is not an unprimeable number, because it can be changed into a prime (1469398547) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1194991 + ... + 1196219.

It is an arithmetic number, because the mean of its divisors is an integer number (71243445).

Almost surely, 2^1469398545 is an apocalyptic number.

1469398545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1469398545 is a deficient number, since it is larger than the sum of its proper divisors (1095365475).

1469398545 is a wasteful number, since it uses less digits than its factorization.

1469398545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566 (or 1400 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 1469398545 is about 38332.7346402523. The cubic root of 1469398545 is about 1136.8762706983.

The spelling of 1469398545 in words is "one billion, four hundred sixty-nine million, three hundred ninety-eight thousand, five hundred forty-five".