145241520642442 has 16 divisors (see below), whose sum is σ = 253067192877312. Its totient is φ = 61225933759920.

The previous prime is 145241520642431. The next prime is 145241520642467. The reversal of 145241520642442 is 244246025142541.

It is a junction number, because it is equal to n+sod(n) for n = 145241520642392 and 145241520642401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85036018258 + ... + 85036019965.

It is an arithmetic number, because the mean of its divisors is an integer number (15816699554832).

Almost surely, 2^{145241520642442} is an apocalyptic number.

145241520642442 is a deficient number, since it is larger than the sum of its proper divisors (107825672234870).

145241520642442 is a wasteful number, since it uses less digits than its factorization.

145241520642442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170072038293.

The product of its (nonzero) digits is 2457600, while the sum is 46.

Adding to 145241520642442 its reverse (244246025142541), we get a palindrome (389487545784983).

The spelling of 145241520642442 in words is "one hundred forty-five trillion, two hundred forty-one billion, five hundred twenty million, six hundred forty-two thousand, four hundred forty-two".