145015142 has 8 divisors (see below), whose sum is σ = 219634896. Its totient is φ = 71803512.

The previous prime is 145015139. The next prime is 145015153. The reversal of 145015142 is 241510541.

145015142 is nontrivially palindromic in base 6.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351773 + ... + 352184.

It is an arithmetic number, because the mean of its divisors is an integer number (27454362).

Almost surely, 2^145015142 is an apocalyptic number.

145015142 is a deficient number, since it is larger than the sum of its proper divisors (74619754).

145015142 is a wasteful number, since it uses less digits than its factorization.

145015142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704062.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 145015142 is about 12042.2232997067. The cubic root of 145015142 is about 525.3770739294.

Adding to 145015142 its reverse (241510541), we get a palindrome (386525683).

The spelling of 145015142 in words is "one hundred forty-five million, fifteen thousand, one hundred forty-two".