145220088 has 64 divisors (see below), whose sum is σ = 396869760. Its totient is φ = 44009856.

The previous prime is 145220087. The next prime is 145220107. The reversal of 145220088 is 880022541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145220087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17431 + ... + 24377.

It is an arithmetic number, because the mean of its divisors is an integer number (6201090).

Almost surely, 2^145220088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145220088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198434880).

145220088 is an abundant number, since it is smaller than the sum of its proper divisors (251649672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145220088 is a wasteful number, since it uses less digits than its factorization.

145220088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7036 (or 7032 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 145220088 is about 12050.7297704330. The cubic root of 145220088 is about 525.6244578552.

The spelling of 145220088 in words is "one hundred forty-five million, two hundred twenty thousand, eighty-eight".