120145031542 has 16 divisors (see below), whose sum is σ = 182930175792. Its totient is φ = 59168530080.

The previous prime is 120145031459. The next prime is 120145031561. The reversal of 120145031542 is 245130541021.

It is a self number, because there is not a number n which added to its sum of digits gives 120145031542.

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 7 ways as a sum of consecutive naturals, for example, 1113292 + ... + 1216432.

It is an arithmetic number, because the mean of its divisors is an integer number (11433135987).

Almost surely, 2^120145031542 is an apocalyptic number.

120145031542 is a deficient number, since it is larger than the sum of its proper divisors (62785144250).

120145031542 is a wasteful number, since it uses less digits than its factorization.

120145031542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111903.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 120145031542 its reverse (245130541021), we get a palindrome (365275572563).

The spelling of 120145031542 in words is "one hundred twenty billion, one hundred forty-five million, thirty-one thousand, five hundred forty-two".