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145845048 = 2338397243
BaseRepresentation
bin10001011000101…
…10101100111000
3101011102200210110
420230112230320
5244314020143
622245544320
73420443136
oct1054265470
9334380713
10145845048
11753645a8
1240a150a0
13242a595b
1415526756
15cc0d533
hex8b16b38

145845048 has 32 divisors (see below), whose sum is σ = 365097600. Its totient is φ = 48550368.

The previous prime is 145845017. The next prime is 145845059. The reversal of 145845048 is 840548541.

It is a super-2 number, since 2×1458450482 = 42541556052244608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145844997 and 145845015.

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 7 ways as a sum of consecutive naturals, for example, 16515 + ... + 23757.

It is an arithmetic number, because the mean of its divisors is an integer number (11409300).

Almost surely, 2145845048 is an apocalyptic number.

It is an amenable number.

145845048 is an abundant number, since it is smaller than the sum of its proper divisors (219252552).

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

145845048 is a wasteful number, since it uses less digits than its factorization.

145845048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8091 (or 8087 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 39.

The square root of 145845048 is about 12076.6323120314. The cubic root of 145845048 is about 526.3773935316.

The spelling of 145845048 in words is "one hundred forty-five million, eight hundred forty-five thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 24 839 1678 2517 3356 5034 6712 7243 10068 14486 20136 21729 28972 43458 57944 86916 173832 6076877 12153754 18230631 24307508 36461262 48615016 72922524 145845048