1545797274 has 16 divisors (see below), whose sum is σ = 3533251008. Its totient is φ = 441656352.

The previous prime is 1545797243. The next prime is 1545797333. The reversal of 1545797274 is 4727975451.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18402307 + ... + 18402390.

It is an arithmetic number, because the mean of its divisors is an integer number (220828188).

Almost surely, 2^1545797274 is an apocalyptic number.

1545797274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1545797274 is an abundant number, since it is smaller than the sum of its proper divisors (1987453734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1545797274 is a wasteful number, since it uses less digits than its factorization.

1545797274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36804709.

The product of its digits is 2469600, while the sum is 51.

The square root of 1545797274 is about 39316.6284668459. The cubic root of 1545797274 is about 1156.2476037389.

The spelling of 1545797274 in words is "one billion, five hundred forty-five million, seven hundred ninety-seven thousand, two hundred seventy-four".