1545405403152 has 80 divisors (see below), whose sum is σ = 4447652207040. Its totient is φ = 459112475136.

The previous prime is 1545405403147. The next prime is 1545405403183. The reversal of 1545405403152 is 2513045045451.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1545405403152.

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 15 ways as a sum of consecutive naturals, for example, 42682098 + ... + 42718289.

It is an arithmetic number, because the mean of its divisors is an integer number (55595652588).

Almost surely, 2^{1545405403152} is an apocalyptic number.

1545405403152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1545405403152 is an abundant number, since it is smaller than the sum of its proper divisors (2902246803888).

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

1545405403152 is a wasteful number, since it uses less digits than its factorization.

1545405403152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85400440 (or 85400434 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 1545405403152 in words is "one trillion, five hundred forty-five billion, four hundred five million, four hundred three thousand, one hundred fifty-two".