145839552 has 28 divisors (see below), whose sum is σ = 385867656. Its totient is φ = 48613120.

The previous prime is 145839541. The next prime is 145839553. The reversal of 145839552 is 255938541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145839553) 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 3 ways as a sum of consecutive naturals, for example, 379599 + ... + 379982.

Almost surely, 2^145839552 is an apocalyptic number.

145839552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145839552 is an abundant number, since it is smaller than the sum of its proper divisors (240028104).

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

145839552 is an equidigital number, since it uses as much as digits as its factorization.

145839552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759596 (or 759586 counting only the distinct ones).

The product of its digits is 216000, while the sum is 42.

The square root of 145839552 is about 12076.4047630079. The cubic root of 145839552 is about 526.3707814764.

The spelling of 145839552 in words is "one hundred forty-five million, eight hundred thirty-nine thousand, five hundred fifty-two".