145811488 has 24 divisors (see below), whose sum is σ = 287461440. Its totient is φ = 72805440.

The previous prime is 145811483. The next prime is 145811503. The reversal of 145811488 is 884118541.

It is a self number, because there is not a number n which added to its sum of digits gives 145811488.

It is not an unprimeable number, because it can be changed into a prime (145811483) 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, 24133 + ... + 29563.

It is an arithmetic number, because the mean of its divisors is an integer number (11977560).

Almost surely, 2^145811488 is an apocalyptic number.

It is an amenable number.

145811488 is a deficient number, since it is larger than the sum of its proper divisors (141649952).

145811488 is an equidigital number, since it uses as much as digits as its factorization.

145811488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6280 (or 6272 counting only the distinct ones).

The product of its digits is 40960, while the sum is 40.

The square root of 145811488 is about 12075.2427718866. The cubic root of 145811488 is about 526.3370160197.

The spelling of 145811488 in words is "one hundred forty-five million, eight hundred eleven thousand, four hundred eighty-eight".