145808052 has 48 divisors (see below), whose sum is σ = 385680960. Its totient is φ = 42501888.

The previous prime is 145808051. The next prime is 145808059. The reversal of 145808052 is 250808541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145808051) by changing a digit.

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, 21633 + ... + 27560.

It is an arithmetic number, because the mean of its divisors is an integer number (8035020).

Almost surely, 2^145808052 is an apocalyptic number.

145808052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145808052 is an abundant number, since it is smaller than the sum of its proper divisors (239872908).

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

145808052 is a wasteful number, since it uses less digits than its factorization.

145808052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49232 (or 49230 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 145808052 is about 12075.1004964762. The cubic root of 145808052 is about 526.3328816674.

The spelling of 145808052 in words is "one hundred forty-five million, eight hundred eight thousand, fifty-two".