145142142155 has 8 divisors (see below), whose sum is σ = 174172685184. Its totient is φ = 116112304000.

The previous prime is 145142142107. The next prime is 145142142181. The reversal of 145142142155 is 551241241541.

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

It is a de Polignac number, because none of the positive numbers 2^k-145142142155 is a prime.

It is a Duffinian number.

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, 545555 + ... + 766755.

It is an arithmetic number, because the mean of its divisors is an integer number (21771585648).

Almost surely, 2^145142142155 is an apocalyptic number.

145142142155 is a deficient number, since it is larger than the sum of its proper divisors (29030543029).

145142142155 is a wasteful number, since it uses less digits than its factorization.

145142142155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352437.

The product of its digits is 32000, while the sum is 35.

Adding to 145142142155 its reverse (551241241541), we get a palindrome (696383383696).

The spelling of 145142142155 in words is "one hundred forty-five billion, one hundred forty-two million, one hundred forty-two thousand, one hundred fifty-five".