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145802459 = 11229371123
BaseRepresentation
bin10001011000011…
…00010011011011
3101011100112101002
420230030103123
5244311134314
622245015215
73420205025
oct1054142333
9334315332
10145802459
1175335600
12409b450b
132428c45a
1415515015
15cc00ade
hex8b0c4db

145802459 has 24 divisors (see below), whose sum is σ = 170420880. Its totient is φ = 124407360.

The previous prime is 145802453. The next prime is 145802467. The reversal of 145802459 is 954208541.

It is not a de Polignac number, because 145802459 - 216 = 145736923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145802453) 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 23 ways as a sum of consecutive naturals, for example, 129272 + ... + 130394.

It is an arithmetic number, because the mean of its divisors is an integer number (7100870).

Almost surely, 2145802459 is an apocalyptic number.

145802459 is a deficient number, since it is larger than the sum of its proper divisors (24618421).

145802459 is a wasteful number, since it uses less digits than its factorization.

145802459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211 (or 1200 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 145802459 is about 12074.8689019798. The cubic root of 145802459 is about 526.3261517751.

The spelling of 145802459 in words is "one hundred forty-five million, eight hundred two thousand, four hundred fifty-nine".

Divisors: 1 11 29 37 121 319 407 1073 1123 3509 4477 11803 12353 32567 41551 129833 135883 358237 457061 1204979 3940607 5027671 13254769 145802459