1542470612645 has 4 divisors (see below), whose sum is σ = 1850964735180. Its totient is φ = 1233976490112.

The previous prime is 1542470612603. The next prime is 1542470612659. The reversal of 1542470612645 is 5462160742451.

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

It can be written as a sum of positive squares in 2 ways, for example, as 692545189249 + 849925423396 = 832193^2 + 921914^2 .

It is a cyclic number.

It is not a de Polignac number, because 1542470612645 - 2⁴⁰ = 442958984869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1542470612645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154247061260 + ... + 154247061269.

It is an arithmetic number, because the mean of its divisors is an integer number (462741183795).

Almost surely, 2^{1542470612645} is an apocalyptic number.

It is an amenable number.

1542470612645 is a deficient number, since it is larger than the sum of its proper divisors (308494122535).

1542470612645 is an equidigital number, since it uses as much as digits as its factorization.

1542470612645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308494122534.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 1542470612645 in words is "one trillion, five hundred forty-two billion, four hundred seventy million, six hundred twelve thousand, six hundred forty-five".