145308048 has 80 divisors (see below), whose sum is σ = 397236480. Its totient is φ = 45643392.

The previous prime is 145308047. The next prime is 145308049. The reversal of 145308048 is 840803541.

It is an interprime number because it is at equal distance from previous prime (145308047) and next prime (145308049).

It is a super-2 number, since 2×145308048² = 42228857627140608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145308041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257815 + ... + 258377.

It is an arithmetic number, because the mean of its divisors is an integer number (4965456).

Almost surely, 2^145308048 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 145308048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198618240).

145308048 is an abundant number, since it is smaller than the sum of its proper divisors (251928432).

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

145308048 is a wasteful number, since it uses less digits than its factorization.

145308048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 145308048 is about 12054.3787894690. The cubic root of 145308048 is about 525.7305602465.

It can be divided in two parts, 14530 and 8048, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 145308048 in words is "one hundred forty-five million, three hundred eight thousand, forty-eight".