142554747 has 16 divisors (see below), whose sum is σ = 196432640. Its totient is φ = 91888992.

The previous prime is 142554719. The next prime is 142554767. The reversal of 142554747 is 747455241.

It is not a de Polignac number, because 142554747 - 2⁸ = 142554491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142554767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14154 + ... + 22032.

It is an arithmetic number, because the mean of its divisors is an integer number (12277040).

Almost surely, 2^142554747 is an apocalyptic number.

142554747 is a deficient number, since it is larger than the sum of its proper divisors (53877893).

142554747 is a wasteful number, since it uses less digits than its factorization.

142554747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8082.

The product of its digits is 156800, while the sum is 39.

The square root of 142554747 is about 11939.6292656012. The cubic root of 142554747 is about 522.3888450469.

The spelling of 142554747 in words is "one hundred forty-two million, five hundred fifty-four thousand, seven hundred forty-seven".