88145146 has 4 divisors (see below), whose sum is σ = 132217722. Its totient is φ = 44072572.

The previous prime is 88145143. The next prime is 88145147. The reversal of 88145146 is 64154188.

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., 78127921 + 10017225 = 8839^2 + 3165^2 .

It is a super-2 number, since 2×88145146² = 15539133526722632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88145143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22036285 + ... + 22036288.

Almost surely, 2^88145146 is an apocalyptic number.

88145146 is a deficient number, since it is larger than the sum of its proper divisors (44072576).

88145146 is a wasteful number, since it uses less digits than its factorization.

88145146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44072575.

The product of its digits is 30720, while the sum is 37.

The square root of 88145146 is about 9388.5646400288. The cubic root of 88145146 is about 445.0404306152.

The spelling of 88145146 in words is "eighty-eight million, one hundred forty-five thousand, one hundred forty-six".