4542154531 has 4 divisors (see below), whose sum is σ = 4558319064. Its totient is φ = 4525990000.

The previous prime is 4542154523. The next prime is 4542154553. The reversal of 4542154531 is 1354512454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4542154531 - 2³ = 4542154523 is a prime.

It is a super-2 number, since 2×4542154531² = 41262335566967659922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4542154511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8081845 + ... + 8082406.

It is an arithmetic number, because the mean of its divisors is an integer number (1139579766).

Almost surely, 2^4542154531 is an apocalyptic number.

4542154531 is a deficient number, since it is larger than the sum of its proper divisors (16164533).

4542154531 is a wasteful number, since it uses less digits than its factorization.

4542154531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16164532.

The product of its digits is 48000, while the sum is 34.

The square root of 4542154531 is about 67395.5082405348. The cubic root of 4542154531 is about 1656.1028396298.

Adding to 4542154531 its reverse (1354512454), we get a palindrome (5896666985).

The spelling of 4542154531 in words is "four billion, five hundred forty-two million, one hundred fifty-four thousand, five hundred thirty-one".