545405530402 has 4 divisors (see below), whose sum is σ = 818108295606. Its totient is φ = 272702765200.

The previous prime is 545405530399. The next prime is 545405530489. The reversal of 545405530402 is 204035504545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 405999626761 + 139405903641 = 637181^2 + 373371^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136351382599 + ... + 136351382602.

Almost surely, 2^545405530402 is an apocalyptic number.

545405530402 is a deficient number, since it is larger than the sum of its proper divisors (272702765204).

545405530402 is a wasteful number, since it uses less digits than its factorization.

545405530402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272702765203.

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 545405530402 in words is "five hundred forty-five billion, four hundred five million, five hundred thirty thousand, four hundred two".