145515345442402 has 32 divisors (see below), whose sum is σ = 235502678315520. Its totient is φ = 67035383023680.

The previous prime is 145515345442351. The next prime is 145515345442487. The reversal of 145515345442402 is 204244543515541.

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 15 ways as a sum of consecutive naturals, for example, 1000287123 + ... + 1000432585.

It is an arithmetic number, because the mean of its divisors is an integer number (7359458697360).

Almost surely, 2^{145515345442402} is an apocalyptic number.

145515345442402 is a deficient number, since it is larger than the sum of its proper divisors (89987332873118).

145515345442402 is a wasteful number, since it uses less digits than its factorization.

145515345442402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217138.

The product of its (nonzero) digits is 7680000, while the sum is 49.

Adding to 145515345442402 its reverse (204244543515541), we get a palindrome (349759888957943).

The spelling of 145515345442402 in words is "one hundred forty-five trillion, five hundred fifteen billion, three hundred forty-five million, four hundred forty-two thousand, four hundred two".