97542142 has 4 divisors (see below), whose sum is σ = 146313216. Its totient is φ = 48771070.

The previous prime is 97542121. The next prime is 97542161. The reversal of 97542142 is 24124579.

97542142 is nontrivially palindromic in base 14.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24124579 = 97 ⋅248707.

It is a junction number, because it is equal to n+sod(n) for n = 97542098 and 97542107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24385534 + ... + 24385537.

It is an arithmetic number, because the mean of its divisors is an integer number (36578304).

Almost surely, 2^97542142 is an apocalyptic number.

97542142 is a deficient number, since it is larger than the sum of its proper divisors (48771074).

97542142 is a wasteful number, since it uses less digits than its factorization.

97542142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48771073.

The product of its digits is 20160, while the sum is 34.

The square root of 97542142 is about 9876.3425416497. The cubic root of 97542142 is about 460.3245063733.

The spelling of 97542142 in words is "ninety-seven million, five hundred forty-two thousand, one hundred forty-two".