1545764342 has 32 divisors (see below), whose sum is σ = 2489188320. Its totient is φ = 717776640.

The previous prime is 1545764333. The next prime is 1545764357. The reversal of 1545764342 is 2434675451.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1545764342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478292 + ... + 481512.

It is an arithmetic number, because the mean of its divisors is an integer number (77787135).

Almost surely, 2^1545764342 is an apocalyptic number.

1545764342 is a deficient number, since it is larger than the sum of its proper divisors (943423978).

1545764342 is a wasteful number, since it uses less digits than its factorization.

1545764342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488.

The product of its digits is 403200, while the sum is 41.

The square root of 1545764342 is about 39316.2096596302. The cubic root of 1545764342 is about 1156.2393926974.

The spelling of 1545764342 in words is "one billion, five hundred forty-five million, seven hundred sixty-four thousand, three hundred forty-two".