142111545 has 32 divisors (see below), whose sum is σ = 241764480. Its totient is φ = 71078400.

The previous prime is 142111531. The next prime is 142111559. The reversal of 142111545 is 545111241.

142111545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142111531) and next prime (142111559).

It is not a de Polignac number, because 142111545 - 2²³ = 133722937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26317 + ... + 31253.

It is an arithmetic number, because the mean of its divisors is an integer number (7555140).

Almost surely, 2^142111545 is an apocalyptic number.

142111545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142111545 is a deficient number, since it is larger than the sum of its proper divisors (99652935).

142111545 is a wasteful number, since it uses less digits than its factorization.

142111545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065.

The product of its digits is 800, while the sum is 24.

The square root of 142111545 is about 11921.0546932727. The cubic root of 142111545 is about 521.8469149312.

Adding to 142111545 its reverse (545111241), we get a palindrome (687222786).

The spelling of 142111545 in words is "one hundred forty-two million, one hundred eleven thousand, five hundred forty-five".