1505145242542 has 8 divisors (see below), whose sum is σ = 2257735960296. Its totient is φ = 752566589112.

The previous prime is 1505145242507. The next prime is 1505145242591. The reversal of 1505145242542 is 2452425415051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1505145242542² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1505145242495 and 1505145242504.

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 in 3 ways as a sum of consecutive naturals, for example, 2697448 + ... + 3207259.

It is an arithmetic number, because the mean of its divisors is an integer number (282216995037).

Almost surely, 2^{1505145242542} is an apocalyptic number.

1505145242542 is a deficient number, since it is larger than the sum of its proper divisors (752590717754).

1505145242542 is a wasteful number, since it uses less digits than its factorization.

1505145242542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6032162.

The product of its (nonzero) digits is 320000, while the sum is 40.

The spelling of 1505145242542 in words is "one trillion, five hundred five billion, one hundred forty-five million, two hundred forty-two thousand, five hundred forty-two".