2045530412542 has 4 divisors (see below), whose sum is σ = 3068295618816. Its totient is φ = 1022765206270.

The previous prime is 2045530412533. The next prime is 2045530412557. The reversal of 2045530412542 is 2452140355402.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511382603134 + ... + 511382603137.

It is an arithmetic number, because the mean of its divisors is an integer number (767073904704).

Almost surely, 2^{2045530412542} is an apocalyptic number.

2045530412542 is a deficient number, since it is larger than the sum of its proper divisors (1022765206274).

2045530412542 is a wasteful number, since it uses less digits than its factorization.

2045530412542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022765206273.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 2045530412542 its reverse (2452140355402), we get a palindrome (4497670767944).

The spelling of 2045530412542 in words is "two trillion, forty-five billion, five hundred thirty million, four hundred twelve thousand, five hundred forty-two".