145312048 has 60 divisors (see below), whose sum is σ = 332125320. Its totient is φ = 61399296.

The previous prime is 145312031. The next prime is 145312051. The reversal of 145312048 is 840213541.

It is a super-2 number, since 2×145312048² = 42231182587908608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55963 + ... + 58501.

It is an arithmetic number, because the mean of its divisors is an integer number (5535422).

Almost surely, 2^145312048 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 145312048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166062660).

145312048 is an abundant number, since it is smaller than the sum of its proper divisors (186813272).

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

145312048 is a wasteful number, since it uses less digits than its factorization.

145312048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634 (or 2621 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 145312048 is about 12054.5447031400. The cubic root of 145312048 is about 525.7353842577.

Adding to 145312048 its reverse (840213541), we get a palindrome (985525589).

The spelling of 145312048 in words is "one hundred forty-five million, three hundred twelve thousand, forty-eight".