142454145 has 32 divisors (see below), whose sum is σ = 238178304. Its totient is φ = 72619200.

The previous prime is 142454113. The next prime is 142454161. The reversal of 142454145 is 541454241.

142454145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142454145 - 2⁵ = 142454113 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, 36750 + ... + 40440.

It is an arithmetic number, because the mean of its divisors is an integer number (7443072).

Almost surely, 2^142454145 is an apocalyptic number.

142454145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142454145 is a deficient number, since it is larger than the sum of its proper divisors (95724159).

142454145 is a wasteful number, since it uses less digits than its factorization.

142454145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813.

The product of its digits is 12800, while the sum is 30.

The square root of 142454145 is about 11935.4155771804. The cubic root of 142454145 is about 522.2659314973.

The spelling of 142454145 in words is "one hundred forty-two million, four hundred fifty-four thousand, one hundred forty-five".