145411552 has 96 divisors (see below), whose sum is σ = 344615040. Its totient is φ = 59512320.

The previous prime is 145411537. The next prime is 145411573. The reversal of 145411552 is 255114541.

It is a super-2 number, since 2×145411552² = 42289038910097408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145411552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196399 + ... + 197137.

It is an arithmetic number, because the mean of its divisors is an integer number (3589740).

Almost surely, 2^145411552 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 145411552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172307520).

145411552 is an abundant number, since it is smaller than the sum of its proper divisors (199203488).

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

145411552 is a wasteful number, since it uses less digits than its factorization.

145411552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 808 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 145411552 is about 12058.6712369150. The cubic root of 145411552 is about 525.8553578785.

The spelling of 145411552 in words is "one hundred forty-five million, four hundred eleven thousand, five hundred fifty-two".