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145070832 = 2433022309
BaseRepresentation
bin10001010010110…
…01101011110000
3101002222100202210
420221121223300
5244114231312
622221212120
73411040014
oct1051315360
9332870683
10145070832
1174985955
1240701040
132409443a
14153a4544
15cb08e3c
hex8a59af0

145070832 has 20 divisors (see below), whose sum is σ = 374766440. Its totient is φ = 48356928.

The previous prime is 145070831. The next prime is 145070881. The reversal of 145070832 is 238070541.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 145070832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145070831) 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 3 ways as a sum of consecutive naturals, for example, 1511107 + ... + 1511202.

It is an arithmetic number, because the mean of its divisors is an integer number (18738322).

Almost surely, 2145070832 is an apocalyptic number.

145070832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145070832 is an abundant number, since it is smaller than the sum of its proper divisors (229695608).

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

145070832 is a wasteful number, since it uses less digits than its factorization.

145070832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022320 (or 3022314 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 145070832 is about 12044.5353584105. The cubic root of 145070832 is about 525.4443186422. Note that the first 3 decimals are identical.

The spelling of 145070832 in words is "one hundred forty-five million, seventy thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 3022309 6044618 9066927 12089236 18133854 24178472 36267708 48356944 72535416 145070832