88153140242 has 4 divisors (see below), whose sum is σ = 132229710366. Its totient is φ = 44076570120.

The previous prime is 88153140233. The next prime is 88153140307. The reversal of 88153140242 is 24204135188.

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

It can be written as a sum of positive squares in only one way, i.e., 75136840321 + 13016299921 = 274111^2 + 114089^2 .

It is a super-2 number, since 2×88153140242² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 88153140196 and 88153140205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22038285059 + ... + 22038285062.

Almost surely, 2^88153140242 is an apocalyptic number.

88153140242 is a deficient number, since it is larger than the sum of its proper divisors (44076570124).

88153140242 is a wasteful number, since it uses less digits than its factorization.

88153140242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44076570123.

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 88153140242 in words is "eighty-eight billion, one hundred fifty-three million, one hundred forty thousand, two hundred forty-two".